Added a 'Remove Social Context' button to the multiple contexts example to demonstrate the removal of Contexts
Merge remote-tracking branch 'upstream/master'
Update to project file for new example files
[ISSUE #23-1] Fixes value mappings so they never attempt to instantiate
[ISSUE #23-2] An injection Value mapping always trumps an injection Singleton mapping.
Slight improvement to multiplecontexts example. Displayed 'lives' value now correctly drawn from model
context removal. Signal command binder cleanup
Merge remote-tracking branch 'upstream/master'
cross context test changes, context removal tests