- added ability to replace declarative FINST manager for retrieval
module
- attending now invalidates the search result it used.
- added IActivationParticipant to make it easier to add new types of
activation to the central activation calculations.
- random, spread, and base now are IActivationParticipants
- abstract computeXXXActivation methods are now deprecated.
- IActivationParticipant added
- update to java8
- java8 update