Support annotations with no attributes
[DROOLS-114] Support defeasible rules
[DROOLS-114] Support defeasible rules
Merge pull request #228 from sotty/master

DROOLS-114 Defeasible Logic
[DROOLS-209] make a class traitable even when it doesn't have a no-args constructor
[DROOLS-206] avoid deadlock when reading globals
Rename parent pom from org.drools:droolsjbpm-parent to org.kie:kie-build-parent
Rename parent pom (originally org.drools:droolsjbpm-parent) from org.kie:kie-build-parent to org.kie:kie-parent-with-dependencies (Fix mistake)
[DROOLS-200] search for the first blocker in left update of existential nodes even if the current one is still valid
[DROOLS-200] search for the first blocker in left update of existential nodes even if the current one is still valid
[DROOLS-7] fix retraction in PhreakBranchNode
add test using custom operator
[BZ-967599] add test case proving that it is possible to insert events by several threads each using its own EntryPoint
[DROOLS-210] Prevent trait proxies from being traited