Add Javadoc badge with automatic version detection

[valery1707]

No description provided.

[dmarkov]

@valery1707 Thanks for the pull request, let me find a reviewer..

[dmarkov]

@yegor256 review this pull request please, it is rather short for a full review

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@valery1707 @yegor256 Oops, I failed. You can see the full log here (spent 7min)

[INFO]  at com.jcabi.latex.maven.plugin.CompileMojo.compile(CompileMojo.java:133)
[INFO]  ... 22 more
[INFO] [ERROR] 
[INFO] [ERROR] Re-run Maven using the -X switch to enable full debug logging.
[INFO] [ERROR] 
[INFO] [ERROR] For more information about the errors and possible solutions, please read the following articles:
[INFO] [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[INFO] ..FAILED (7.0 s)
[INFO]   The build exited with code 1. See /home/r/repo/target/it/simple/build.log for details.
[INFO] -------------------------------------------------
[INFO] Build Summary:
[INFO]   Passed: 0, Failed: 1, Errors: 0, Skipped: 0
[INFO] -------------------------------------------------
[ERROR] The following builds failed:
[ERROR] *  simple/pom.xml
[INFO] -------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:06 min
[INFO] Finished at: 2016-01-23T04:00:56+00:00
[INFO] Final Memory: 39M/465M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-invoker-plugin:1.9:run (default) on project jcabi-latex-maven-plugin: 1 build failed. See console output above for details. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-invoker-plugin:1.9:run (default) on project jcabi-latex-maven-plugin: 1 build failed. See console output above for details.
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoFailureException: 1 build failed. See console output above for details.
    at org.apache.maven.plugin.invoker.InvokerSession.handleFailures(InvokerSession.java:258)
    at org.apache.maven.plugin.invoker.InvokerMojo.processResults(InvokerMojo.java:67)
    at org.apache.maven.plugin.invoker.AbstractInvokerMojo.execute(AbstractInvokerMojo.java:742)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
    ... 19 more
[ERROR] 
[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/MojoFailureException
container 482aaef9bedf3355db2110d4a2e17d471ab078c67518cc90067343ff1042aff2 is dead
Sat Jan 23 04:01:44 UTC 2016

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 36min)

[dmarkov]

@yegor256 I just added 17 mins to your account, many thanks for your contribution (000-72b31ed9).. 68 hours and 52 mins spent here

review comments (c=2) added as a bonus

+17 to your rating, your total score is +4368

[dmarkov]

@rultor deploy pls

[rultor]

@rultor deploy pls

@dmarkov OK, I'll try to deploy now. You can check the progress here

[rultor]

@rultor deploy pls

@dmarkov Done! FYI, the full log is here (took me 26min)