v 0.3

Add performance fixes by stough
Improved moon phase function by stough
Move AM/PM layer
Some code cleaning
forgot to add the right release!
Fixed A/P indicator, changed month to weekday and day to MM-DD
Added handle_deinit to cleanup bitmaps and fonts, some small pixel shifting.
Added handle_deinit to cleanup bitmaps and fonts, some small pixel shifting.
Rebaselined the moon phase calculation on the last full moon, described procedure with reference URLs.
Registered handle_deinit callback and corrected TOTAL_IMAGE_SLOTS.
Incorporated layout differences between stough and upstream master.  Setup #define to allow selection of different date behaviours.  Should be pullable to upstream master.
Resolved conflicts