build: fix changed commons-cli javadoc link
GROOVY-6210: Fix Groovydoc vulnerability (tweak)
GROOVY-6211: Fix failing Process tests on windows
GROOVY-6085: Annotation for inner interface in Java stub should not use dollar notation (partial fix)
merge conflict in assemble.gradle
Move groovy.icns to lib

Move groovy.icns to lib, to make the OSX install more
compatible with homebrew.
Provides a more recent snapshot of the wiki