Adding new search field to cases searcher
Merge branch 'master' of github.com:idega/is.idega.idegaweb.egov.bpm

* 'master' of github.com:idega/is.idega.idegaweb.egov.bpm:
  Using lock for accessing cases cache
  Checking if message is created

Conflicts:
	src/java/is/idega/idegaweb/egov/bpm/cases/manager/BPMCasesRetrievalManagerImpl.java
Bug fix