groovy

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https://gist.github.com/3496884
groovy-eclipse-compiler Maven integration :
- http://groovy.codehaus.org/Groovy-Eclipse+compiler+plugin+for+Maven
Eclipse update site :
- 4.2 (Juno) : http://dist.springsource.org/release/GRECLIPSE/e4.2
- 3.7 (Indigo) : http://dist.springsource.org/release/GRECLIPSE/e3.7