Add draw start menu function

Also add a function to draw any menu
Add custom game over function
Add draw custom pause menu
Add new sprites for cubes and game info bar
Add field background
Change next piece wrapper look and center the piece in it
Add custom menus
Add reflection to score box
Add main background with reflections
Change field transparency for better game experience

Also move version and author info from header into footer
Merge branch 'testing'
Release v0.2.0