[DROOLS-64] fix not isA evaluator
[DROOLS-94] fix BaseObjectClassFieldReader when reading numeric values
[DROOLS-92] check if a field has a writer before to rewire it
[DROOLS-93] fix error reporting when using a wrong field name with @declaration
[DROOLS-93] fix declared types namespace
[DROOLS-95] fix RBTree based indexes
 [DROOLS-91] fix discovery of settableProperties for a given class when adapting mask (backport)
[DROOLS-99] TypeDeclarations for Java classes used in Patterns are created in the wrong package