added describe method and its test, without slice management.
addedd describe method and its test, without slice management + merged
Merge remote-tracking branch 'origin/master'

Conflicts:
	interactors/sfa/src/main/java/org/fiteagle/interactors/sfa/SFAInteractor_v3.java
	interactors/sfa/src/main/java/org/fiteagle/interactors/sfa/common/SFARequestProcessorFactory.java