Issue #260: Add Settings menu to slide out menu on Main activity

Adds the settings navigation menu item to the Main menus slide out
drawer.
Increment version
Release 1.8.1
Set version to 1.8.2-dev
Issue #265: Make sure Overscan Adjustments occur before video playback.

Overscan adjustments were not occurring before video play back.  So this could
cause the calculated sizes to be wrong when setting the aspect ratios.
Issue #264: FF, Pause, and REW buttons not responding to onClick events

The issue was that the dispatchKeyEvents were being swallowed.  Now
correctly passing them up the chain so they can trigger the onClick events
for the views.