fix maven-compiler-plugin source/target versions

plus reformat POMs

maven-compiler-plugin was not configured, hence leading to build failure.

    [INFO] 3 errors
    [INFO] -------------------------------------------------------------
    [INFO] ------------------------------------------------------------------------
    [INFO] Reactor Summary:
    [INFO]
    [INFO] vertigo ........................................... SUCCESS [0.130s]
    [INFO] vertigo-starter ................................... SUCCESS [8.543s]
    [INFO] vertigo-ccc ....................................... FAILURE [0.322s]
    [INFO] vertigo-rest ...................................... SKIPPED
    [INFO] ------------------------------------------------------------------------
    [INFO] BUILD FAILURE
    [INFO] ------------------------------------------------------------------------
    [INFO] Total time: 9.103s
    [INFO] Finished at: Wed Dec 04 16:19:43 CET 2013
    [INFO] Final Memory: 13M/244M
    [INFO] ------------------------------------------------------------------------
    [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project vertigo-ccc: Compilation     failure: Compilation failure:
    [ERROR] vertigo/vertigo-ccc/src/main/java/io/vertigo/console/VConsole.java:[198,37] error: diamond operator is not supported in -source 1.5
    [ERROR] (use -source 7 or higher to enable diamond operator)
    [ERROR] vertigo/vertigo-ccc/src/main/java/io/vertigo/console/ZZDistributedMapServer.java:[54,54] error: diamond operator is not supported in -source 1.5
    [ERROR] (use -source 7 or higher to enable diamond operator)
    [ERROR] vertigo/vertigo-ccc/src/main/java/io/vertigo/console/VConsoleHandler.java:[36,47] error: diamond operator is not supported in -source 1.5
    [ERROR] -> [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/MojoFailureException
    [ERROR]
    [ERROR] After correcting the problems, you can resume the build with the command
    [ERROR]   mvn <goals> -rf :vertigo-ccc