store pointer to creating CO in CDP
Removed separate Hash table from ControlObject.
Merge branch 'master' into atomic-co2
Introduce QSharedPointer for ControlDoublePrivate
Fix double add to hashtable
Delete all leaking cdp one shutdown
Merge branch 'master' into atomic-co2

Conflicts:
	src/control/control.cpp
	src/control/control.h
Merge branch 'master' into atomic-co2

Conflicts:
	src/control/control.cpp
	src/control/control.h
Merge branch 'master' into atomic-co2
Warn if a ControlObject is created twice. Fix some warnings.
Merge pull request #41 from daschuer/atomic-co2

CO hash join and memory leak fix