introduce LookupStrategy
refactoring, more tests, some documentation
refactoring
added matrix job support
fix matrix tests
exclusion plugin support
docs
added release notes
cleanup
make sure that lookupStrategy is always set
exclude enhanced rules to avoid `Compilation failed for ...` warnings
cleanup
added workaround to avoid CodeNarc exceptions when using the spread operator with maps, cleanup

http://sourceforge.net/p/codenarc/bugs/155/
Merge branch 'matrixjob_5'
Merge remote-tracking branch 'origin/relative-names'
added a method to JobManagement to determine the version of an installed plugin
removed unused dependencies
removed Gradle IDEA support because it's broken, use the POMs instead
ant and maven plugin dependencies are back, but in the jenkinsTest configuration
and the javadoc plugin dependency is back, also in the jenkinsTest configuration