Add classes for SFR part
Merge branch 'master' of https://github.com/easydepot/SecurityTarget

Conflicts:
	src/core/printer/securityTarget/SecurityProblemePrinter.java
Merge branch 'master' of https://github.com/easydepot/SecurityTarget
add new SFR elements
add fullID fucntion + add refinement in SFR Element