Bump version to 2.3.1-SNAPSHOT
doco tweaks for @Builder
minor refactor: allow improved future @Builder extensibility
Fix for GROOVY-6706.  NPE in some certain situations with @BaseScript.
tweak @Builder for method/constructor handling
GROOVY-6714: GroovyDoc omits and/or misplaces documentation for methods in .java files.
GROOVY-6724: Wrong receiver type when checking generics on property access
GROOVY-5459: grape command and help is wrong command line structure
GROOVY-6725: XML parsing error during grape uninstall
minor refactor
GROOVY-6719 - Upgrade to Log4j 2 RC1
added classes to index-all.html
GROOVY-6719 - Upgrade to Log4j 2 RC1
removed comments like "Only works with jdk 1.5 or later." from java doc
Removed checks for Java 5 as Groovy now requires at least Java 6.
Re-added apply of "codehaus.gradle", which I removed by mistake.
Merge pull request #391 from nobeans/wk/added-classes-to-index-all

GROOVY-6726: Added classes to index-all.html
GROOVY-6726: index entries of classes are missing in index-all.html
GROOVY-6726: capitalized a caption in index-all.html
Merge pull request #392 from nobeans/wk/fixed-index-all-class-captalize

GROOVY-6726: capitalized a caption in index-all.html