Fix #486 - TV Show keywords can be in any order
Added a help view for keyboard shortcuts

Press the '?' key to open it
Right align search icon
Updated Keyboard Shortcuts screen.

- Added all shortcuts
-'?' opens and closes it
- Close on 'esc'
Fix #486 - TV Show keywords can be in any order
Added a help view for keyboard shortcuts

Press the '?' key to open it
Right align search icon
Updated Keyboard Shortcuts screen.

- Added all shortcuts
-'?' opens and closes it
- Close on 'esc'
Merge branch 'dev-0.3' of https://github.com/popcorn-official/popcorn-app into dev-0.3