Changed default time to three minutes
Added ability to toggle (start/stop) the timer

renamed start_timer() function to toggle_timer()
Swapped up and down buttons

For some reason, pressing down to increment seems more natural to me.
Larger font
When changing time, snap to 30 seconds
Updated for SDK 2.0.
Fixed repeating increase/decrease of timer

Also fixed click handlers to support window_single_repeating_click_subscribe properly.
Renamed back to "Tea Timer".
Removed unneeded commented-out code
Update appinfo.json
Merge pull request #1 from bennettp123/master

Update to support SDK 2.0.