[DROOLS-631] implement onDeleteMatch listener as named consequence
Fixing test error. Adding import.

(cherry picked from commit b68cdd1ffd98ca226d5647916c117b68c9de243b)
catch NoClassDefFoundError when trying to resolve annotations
fix for WebSphere that delivers different implementations of UserTransactions depending on the context in which it was invoked, in such a case try to reinitialize transaction manager components
DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Refactored Undecided to Decided.

DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-introduced _.neg and removed the DFL, JTMS pos/neg fact handle and neg entry point

DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Added correct handling of NegConstraint for declared masks
-Fixed FH cloning and NegConstraint cloning

DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Negatable support must be turned on for !_.neg constraint injection

DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Better WM and TMS separation, as a pipeline

DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Better WM and TMS separation, as a pipeline
-Neg is now separate map in the ObjectStore
[DROOLS-611] Initial abstract fact and property metaclasses
[DROOLS-608][DROOLS-611] Integrate traits with TMS; Extract trait logic from KnowledgeHelper
[DROOLS-611] Metadata and Metaclasses
[DROOLS-488] Fix TMS, Remove obsolete internal methods
DROOLS-488 "Pluggable and Encapsulated Knowledge Types"
-Fixing TMS, with more unit tests

Conflicts:
	drools-compiler/src/test/java/org/drools/compiler/integrationtests/TruthMaintenanceTest.java
[DROOLS-611] Metadata and metaclasses
Make PMML comply with WM and TMS correct action semantics
[DROOLS-488] Consolidation
Metadata and metaclasses, serializability