Finished logic for inviting a new player.
finished updating back-end registration process.
removed gaming group invitation section and game definition description column.
can now invite players directly from the gaming group page. Also changed invite text a little bit. Also fixed UI bug when adding game definitions.
removed unused method.
added method for getting all of a user's current gaming groups.
finished stubbing out the switchGamingGroup method.
added an IoC mapping that was missing.
finished the switch gaming group logic.
fixed a bug where a validation error caused a blowup on the player edit page.
#115 Set champion information on the GameDefinitionDetailsViewModel

Was removed by accident earlier