Add cobertura and coveralls support

.travis.yml

@@ -21,3 +21,6 @@ install:
 
 script:
   - ./scripts/run-tests.sh
+
+after_success:
+    - ./gradlew cobertura coveralls

build.gradle

@@ -1,6 +1,19 @@
+buildscript {
+  repositories {
+    mavenCentral()
+  }
+
+  dependencies {
+    classpath 'net.saliman:gradle-cobertura-plugin:2.2.4'
+    classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:1.0.2'
+  }
+}
+
 apply plugin: 'groovy'
 apply plugin: 'maven'
 apply plugin: 'signing'
+apply plugin: 'cobertura'
+apply plugin: 'com.github.kt3k.coveralls'
 
 group = 'com.github.jcandksolutions.gradle'
 version = '1.5.1-SNAPSHOT'
@@ -98,3 +111,5 @@ uploadArchives {
   }
 }
 
+cobertura.coverageFormats = ['html', 'xml'] // coveralls plugin depends on xml format report
+cobertura.coverageSourceDirs = sourceSets.main.groovy.srcDirs