Increased size of tap targets around buttons.

Easier to tap things. Fixes #8
Upgrade Android Studio + Gradle
Flash settings: new levels, custom, neutral.

Fixes #2
Fixes #9
Fixes #10
Improve focus/exposure in dark settings.

After Nova is lit, acquire an auto focus lock before taking the photo.

Fixes #11
Updated flash settings icon.

Fixes #7
Show connection status overlay on flash icon.

Fixes #6
Tap flash icon while flash dialog is open to dismiss it

Fixes #6
More Androidy share icon. Fixes #1
1.4.0 release
Merge branch 'release/1.4.0'
Merge branch 'release/1.4.0' into develop
Extend flash timeout as some front facing cameras take longer to focus
Loosen up requirements for hardware autofocus feature. Will still work on cameras that dont support this
Merge branch 'release/1.4.1'