Get rid of COTM use in WNumberPos.
Use ControlObjectSlave for widget connections. After this we can delete ControlObjectThreadMain and ControlObjectThreadWidget.
Revert changes to add a parameter signal to ControlObjectSlave.
Merge pull request #147 from rryan/cos_widgets

Use ControlObjectSlave for widget connections.
Add getParameterForValue method to ControlDoublePrivate and ControlObjectSlave.
Use getParameterForValue in ControlWidgetConnection to process the value from
the valueChanged() event, not the latest control value.
Merge remote-tracking branch 'upstream/master' into cdj

Conflicts:
	src/skin/legacyskinparser.cpp