TRUNK-3407: ConceptDescription equals method fails with 2 different instances of ConceptDescription in 1.8 and earliergit
Merge pull request #282 from NameFILIP/TRUNK-3407

TRUNK-3407: ConceptDescription equals method fails with 2 different instances of ConceptDescription in 1.8 and earlier
Cannot find concept by id in concept auto complete - TRUNK-3893(cherry picked from commit ea4e8449dac09f670d580eaabda2c5b756f2fdb3)
orward porting to 1.8.x: EL functions defined in modules are not
accessible when used in portlets - TRUNK-3743
Corrected handling multiple handlers

(cherry picked from commit 7bce797c06f4b6751fa1e9464cf2281c903510d1)