Moved code from jruby-gradle-plugin to here
Merge pull request #2 from ysb33r/master

Moved code from jruby-gradle-plugin to here
Bring over JRubyWar task definition and make jruby-gradle-war-plugin "work"
Add the jrubyCacheJars dependency onto jrubyPrepare and jrubyCleanJars onto clean
Pin the war plugin to a released version of the base plugin