Fixed incorrect xtext document being used under certain circumstances.
Fixed error setting the subcomponent type for process subcomponents.
Show flow specifications in the edit flows dialog for subcomponents that
are set to a component implementation.
Changed behavior of feature groups to show child features that are
either not contained in a subcomponent or are involved in a flow
specification.
Disabled appropriate buttons in edit flows dialog when flow is not
selected.
Allow configuring the modes the flow implementation or end to end flow
is in using the edit flows dialog.