update for energy consistency for low penalty stiffness for IntMatBilinearCZFagerstrom and IntMatBilinearCZFagerstromRate
Modification in IntMatBilinearCZJansson :: giveFirstPKTraction_3d for accurate total dissipated energy in cohesive material IntMatBilinearCZJansson
Correction of bugs in intmatbilinczfagerstrom.C and intmatbilinczfagerstromrate.C (related to energy dissipation in mode II loading)
ignoring some files
Merge remote-tracking branch 'origin/ThroughThicknessCrack' into XFEMDevelopment_Martin

Conflicts:
	src/sm/intmatbilinczfagerstrom.C
	src/sm/intmatbilinczjansson.C
	src/sm/structuralinterfacematerial.C
update placement of interface materials intmatbilinczfagerstrom.C, intmatbilinczfagerstromrate.C, intmatbilinczjansson.C
Cohesive zone is up and running again for Shell7BaseXFEM.
Added test case for internal cz in tr2Shell7XFEM but it cannot find the rules, needs to be fixed.