added clone function
merge
missing include
Merge branch 'fsp' of github.com:semihsahin1990/StreamWithCoroutines into fsp

Conflicts:
	code/StreamWithCoroutines/core/include/streamc/FlowRunner.h
	code/StreamWithCoroutines/core/src/streamc/operators/FileSource.cpp
	code/StreamWithCoroutines/core/src/streamc/runtime/FlowContext.cpp
	code/StreamWithCoroutines/core/src/streamc/runtime/WorkerThread.cpp