Adding support for coveralls coverage reporting

[garethf]

fixes #194

[lloydwatkin]

I've got this building via a tweak in the .travis.yml file. However travis logs are now showing:

$ mvn clean cobertura:cobertura coveralls:report
[INFO] Scanning for projects...
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.pom (4 KB at 4.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-clean-plugin/2.5/maven-clean-plugin-2.5.jar (25 KB at 437.4 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.7/maven-deploy-plugin-2.7.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.7/maven-deploy-plugin-2.7.pom (6 KB at 171.3 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.7/maven-deploy-plugin-2.7.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-deploy-plugin/2.7/maven-deploy-plugin-2.7.jar (27 KB at 708.2 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-site-plugin/3.3/maven-site-plugin-3.3.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-site-plugin/3.3/maven-site-plugin-3.3.pom (21 KB at 495.7 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/24/maven-plugins-24.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/24/maven-plugins-24.pom (11 KB at 229.4 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/23/maven-parent-23.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/23/maven-parent-23.pom (32 KB at 448.2 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/apache/13/apache-13.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/apache/13/apache-13.pom (14 KB at 182.0 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-site-plugin/3.3/maven-site-plugin-3.3.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-site-plugin/3.3/maven-site-plugin-3.3.jar (122 KB at 826.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.pom (5 KB at 159.3 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/12/maven-plugins-12.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/12/maven-plugins-12.pom (12 KB at 395.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/9/maven-parent-9.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/9/maven-parent-9.pom (33 KB at 916.2 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.jar (24 KB at 742.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.pom (15 KB at 379.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/16/maven-plugins-16.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/16/maven-plugins-16.pom (13 KB at 436.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-assembly-plugin/2.2-beta-5/maven-assembly-plugin-2.2-beta-5.jar (204 KB at 2683.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.8/maven-dependency-plugin-2.8.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.8/maven-dependency-plugin-2.8.pom (12 KB at 104.5 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.8/maven-dependency-plugin-2.8.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-dependency-plugin/2.8/maven-dependency-plugin-2.8.jar (150 KB at 468.9 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.3.2/maven-release-plugin-2.3.2.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.3.2/maven-release-plugin-2.3.2.pom (10 KB at 349.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/release/maven-release/2.3.2/maven-release-2.3.2.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/release/maven-release/2.3.2/maven-release-2.3.2.pom (9 KB at 311.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.3.2/maven-release-plugin-2.3.2.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-release-plugin/2.3.2/maven-release-plugin-2.3.2.jar (44 KB at 1031.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-shade-plugin/2.3/maven-shade-plugin-2.3.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-shade-plugin/2.3/maven-shade-plugin-2.3.pom (8 KB at 286.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/25/maven-plugins-25.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-plugins/25/maven-plugins-25.pom (10 KB at 333.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/24/maven-parent-24.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/maven-parent/24/maven-parent-24.pom (37 KB at 1029.5 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/apache/14/apache-14.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/apache/14/apache-14.pom (15 KB at 434.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-shade-plugin/2.3/maven-shade-plugin-2.3.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-shade-plugin/2.3/maven-shade-plugin-2.3.jar (99 KB at 641.9 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-checkstyle-plugin/2.13/maven-checkstyle-plugin-2.13.pom
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-checkstyle-plugin/2.13/maven-checkstyle-plugin-2.13.pom (13 KB at 513.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-checkstyle-plugin/2.13/maven-checkstyle-plugin-2.13.jar
Downloaded: https://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-checkstyle-plugin/2.13/maven-checkstyle-plugin-2.13.jar (112 KB at 2429.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/cobertura-maven-plugin/2.6/cobertura-maven-plugin-2.6.pom
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/cobertura-maven-plugin/2.6/cobertura-maven-plugin-2.6.pom (9 KB at 228.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/mojo-parent/30/mojo-parent-30.pom (27 KB at 963.1 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/codehaus-parent/4/codehaus-parent-4.pom
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/codehaus-parent/4/codehaus-parent-4.pom (5 KB at 188.3 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/codehaus/mojo/cobertura-maven-plugin/2.6/cobertura-maven-plugin-2.6.jar
Downloaded: https://repo.maven.apache.org/maven2/org/codehaus/mojo/cobertura-maven-plugin/2.6/cobertura-maven-plugin-2.6.jar (48 KB at 1522.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/eluder/coveralls/coveralls-maven-plugin/2.2.0/coveralls-maven-plugin-2.2.0.pom
Downloaded: https://repo.maven.apache.org/maven2/org/eluder/coveralls/coveralls-maven-plugin/2.2.0/coveralls-maven-plugin-2.2.0.pom (8 KB at 149.8 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/eluder/eluder-parent/5/eluder-parent-5.pom
Downloaded: https://repo.maven.apache.org/maven2/org/eluder/eluder-parent/5/eluder-parent-5.pom (13 KB at 505.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/9/oss-parent-9.pom
Downloaded: https://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/9/oss-parent-9.pom (7 KB at 116.6 KB/sec)
Downloading: https://repo.maven.apache.org/maven2/org/eluder/coveralls/coveralls-maven-plugin/2.2.0/coveralls-maven-plugin-2.2.0.jar
Downloaded: https://repo.maven.apache.org/maven2/org/eluder/coveralls/coveralls-maven-plugin/2.2.0/coveralls-maven-plugin-2.2.0.jar (67 KB at 2021.9 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5.065 s
[INFO] Finished at: 2014-10-07T18:13:58+00:00
[INFO] Final Memory: 12M/136M
[INFO] ------------------------------------------------------------------------
[ERROR] Could not find goal 'report' in plugin org.eluder.coveralls:coveralls-maven-plugin:2.2.0 among available goals cobertura, saga, chain, jacoco, help -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoNotFoundException

Done. Your build exited with 0.