Sidebar and Styling

Added in SideBarFragment (should this be SidebarFragment LOL) for a navigation sidebar, and modified MainActivity.  Added some code to onResume in the existing main fragments to update the sidebar accordingly, when the main fragment changes.  Restyled the action bar to use the PHC logo and be red.  Changed the minSdkVersion and accordingly swapped out the support library Fragments/Activities for the android.app ones.  PHC++