Add JAVA_HOME and Java version to build lifecycle, for CI integration purposes
GROOVY-6531: add fast paths for div, next and previous
GROOVY-6489: Generics type checking doesn't use the right receiver information in "with" blocks
GROOVY-6531: remove math for character
Add build status to README
Try to fix parenthesis in URL
GROOVY-4063: move line number information to pre guard for primopts to make the life of debuggers more easy
Merge pull request #311 from tkruse/fix_command_completion

Fix command completion
[GROOVY-6499] Show some GroovyDefaultMethod methods for suitable instances
GROOVY-6499: :set command autocompletion for the preference limiting the Default Method completion