Add section for Intervals
Added menu for configuring intervals
Rename interval config to interval config menu
Fix height of menus
Add file with global variable for interval timer
Add entry window
Put all interval config in global header file
Allow all values to be configured
Customise display depending on value
Make select button confirm entry, same as back key
Add action layer with images to entry
Optimise size of images
Added initial interval
Code cleanup
Intervals now seems to work as expected
Added total time
Wrote time format function
Persist interval configuration
Remove memory leaks
Change order of Interval and Stretch in menu
Show interval length in menu
Add Extended Rest on/off switch
Make menu items glide in or out
Show extended rest in main menu. Needs improvements
Check if extended rest is enabled
Enable saving of workout time
UI customisation, make time bigger