Converts to PlasmaCore.ToolTips

fixes #58

Removes the old DToolTips component and replaces it with
PlasmaCode.ToolTip
Merge branch 'tooltips' of git://github.com/james147/workflow-project into jamestips

Conflicts:
	package/contents/ui/delegates/ActivityDeleg.qml
	package/contents/ui/delegates/ActivityStoppedDeleg.qml