[BZ-1009348]-IndexOutOfBoundsException is thrown, when operator and is inside conditional element not
-The queue is now initialised in the outer PathMemory and the same instance is trickled up to all inner PathMemories
[DROOLS-300] add start and end params to timers
[BZ-1009369] fix incremental compilation when an empty resource is added
[BZ-1013682] fix rule model to drl marshalling of formula fields
allow to create a new Environment from KieServices
[DROOLS-7] add TimedRuleExecutionFilter callback