Release FTN7 v1.1 & FTN12 v1.2
FTN7 Invoker Concept & FTN12 AsyncSteps moved to final
Minor corrections to FTN6: Executor Concept
Updated FTN6 & FTN7

- FTN7: Changed cache init member names
- FTN6: Added cache init concept, fixed register() prototype to include AsyncSteps
Stripped Executor RequestInfo members, moved to info()