Mouse events fall through the unit glyph.

Clicking or hovering over the text for the unit on the chess board currently does not allow you to click to select that unit.  

This change drops all pointer events down to the chess board to be received.
Merge pull request #3 from TyOverby/patch-1

Mouse events fall through the unit glyph.
Fixed Pawn Capture on First Move
Added Chess Glyphs

Changed Unit Displays from letters to glyphs.
Adjusted offset in 4d_view so pieces are centered.
Merge branch 'gh-pages'