BZ1009050 - Test Scenarios cannot run with invalid .drl file in the project
[DROOLS-305] make ReleaseIdImpl Externalizable
Merge branch 'master' of github.com:droolsjbpm/drools
add timers documentation
[BZ-1021702] also build java sources in maven test folder
BZ975922 - GRE constraint operator list box problems when re-opening file
[DROOLS-254] rules using Exists OR are compiled inconsistently
[BZ-1022881] avoid to statically create a default RuleBaseConfiguration when not necessary
make legacy drools 5 api to always run with rete + remove no longer implemented KnowledgeAgent
[JBPM-3789] corrected typo in JtaTransactionManager.findTransactionManager
(cherry picked from commit 5169c7a2e27b0cbf742f881d941372daf9fea708)