GRAILS-11048 - improve @BindUsing inheritance
eliminate some duplicate code related to retrieving Field references
Use Spring 3.2.7.RELEASE
remove dependency on commons-lang from GrailsASTUtils
Merge branch '2.3.x' of github.com:grails/grails-core into 2.3.x
fix compilation error
Fix problem caused by 6bffcd742ee7877fa1b5b9fc154

We were attempting to mutate an immutable Map
remove commons-collections from sub projects which do not directly use it
remove dependency on commons-lang, commons-io and commons-collections from grails-core
Merge branch '2.3.x' of github.com:grails/grails-core into 2.3.x
temporarily reinstate commons-* dependencies until work to fix compilation errors is done