Merge pull request #10 from SyntaxColoring/master

Fix incorrect keyboard shortcut listings
Check length of favourites before randomising. Cleaned up some whitespace
Update a little formatting for code discipline
Update scheme detection to use find_resources() for ST3
Update default keybindings to use new scheme cycle command
Use proper list variable when appending shcemes. Dumb.
Check for user selection for preview to remove any potential flicker
Return to Favourites saved in SchemrFavorites
Update keybindings
Update readme.md
Update readme.md
Add dark and light flags to scheme list for easy filtering #13
Add dark/light to features list
Update readme.md
Update comment
Adjust plist_parser loading for ST2 compatibility
import sys for ST2 compatibility
Add user-defined settings to control brightness threshold and flags
Refactor hex to rgb conversion in case of alpha values
Add user settings info