Added menu that is displayed when app is opened.
TODO: Fix memory leak when closing
Remove App Store resources from repository
Fix memory leak when quitting
Fix text prepare shown instead of stretch when unpuasing during stretch
Memory leak should be fixed for real now by destroying window on window_unload
Made stretch start directly from main menu
Refactor UI variables
Refactor state to struct
Put image layer in ui struct
Put images in image struct
Removed right side lunge image
Rename image to more describing name
Additional code cleanup
Added calf stretch
Battery saving update. Only update text and image when changing rounds
Move sitting stretches to the end
Add image for calf stretch
Add calf image
Fix missing break
Fix number being shown on last screen
Slight adjustments of ui to prevent clipping
Fix bug caused by Pebble FW RC1. Set timer to null and check for null value before calling cancel
Prepare for version 1.1