* Moved ChannelDrawer into its own scene
* Moved RightSideMenu to a separate route
* Moved title back above scenes
* Moved right side menu into a separate scene
* Reorganized navigation so that it centers around ChannelView when logged in
* Stopped using NavigationExperimental to manage drawers
* Fixed copyright date
* Added unit tests for navigation drawers
* Renamed RightSideMenu to RightMenuDrawer
* Removed unnecessary ChannelDrawer style
* Fixed copyright date
* Removed unnecessary components folder from channel scene
* Added initial version of post textbox
* Moved getTheme into a proper selector
* Moved ChannelHeader into its own component
* Flipped post list so that the most recent posts appear at the bottom
* Moved post textbox value into redux view store
* Switched new components from PureRenderMixin to React.PureComponent