add STMSingleton
add uncashing process controller
intermediate commit
Merge branch 'dev' into extractProcesses
Merge branch 'dev' into extractProcesses

Conflicts:
	iSistemium.xcodeproj/project.pbxproj
	iSistemium/DataModel/STMDataModel.xcdatamodeld/STMDataModel
24.xcdatamodel/contents
intermediate commit
intermediate commit
extract uncashing process done
merge 'dev' with tokenHash
Merge branch 'dev' into extractProcesses
add cashingProcessController
press cashing button
cashing controls add notification observers
cancel cashing process button
intermediate commit
intermediate commit
intermediate commit
successfully build after all changes
check cashing sum is zero / flush controller
resign responder if done pressed