0.02: Improve performance when screen wakes
      Only draw widgets after clearing screen - they update automatically
      Remove 'faceUp' check as it's automatic
0.03: Modified for use with new bootloader and firmware
0.04: Modified to account for changes in the behavior of Graphics.fillPoly
0.05: Slight increase to draw speed after LCD on
0.06: Update to use Bangle.setUI instead of setWatch, allow themes and different size screens
0.07: Tell clock widgets to hide.