Added more options for buttons on the navigation bar.
Changed variable name.
Merge pull request #67 from reachlocal/buttons

Added more options for buttons on the navigation bar.
Added option to tint selected tab item
Merge pull request #70 from reachlocal/tab-color

Added option to tint selected tab item
Merge branch 'master' into statusbar
Changed the initialization order

The status bar styles didn't work in drawer so I changed the order in which things are created.