Added colour for Pebble Time,
Added a workout countdown timer option,
Updated timer screen layout
Added options to set a default time/round limit for new workouts
Small bugfix from previous update where setting up a new timer before starting it would affect an existing timer
- Fixed issue where the app may crash if viewing an existing timer and then starting a new one
- Fixed issue where the menu would not update until exiting the app on the run of a timer on a fresh install
Faster increment/decrement of round and time limits on long press when starting a new workout