Volume Control, UI Update, and Bug Fixes

[a-mabe]

TODO

• Other audio paused by timer on iOS
• Fix sound still playing when none selected
• Use published background timer version

Added

• Timer volume control, separate from system volume, closes [Feature/Improvement] Volume control #136.
  • Volume can be adjusted while a timer is actively running.
  • Volume is saved as a shared preference and will persist between timers.

Changed

• UI for an actively running workout/timer.
  • Added a "control panel" to make room for additional controls.
  • Moved the pause button from the top right corner to the control panel.
  • Added a restart button that is available while the timer is running.
  • Volume control is available on the control panel.
• Improved the landscape orientation UI, closes [Feature/Improvement] Landscape mode #157.

Fixed

• Share External not working on iPad.
• Setting sound effect to none not working.