Mobile Search in ActionBar

This adds a search button to the ActionBar.

It's collapsed by default and when it expands it allows voice input.  If the user is using the Player Tracker plugin they can also search for players via "@playerhandle".

There is more we can do in the future.  Like keeping a history of searches ordered by frequency, but this is a nice start.  Or perhaps using a Custom ActionView to force it into the top of a split action bar.