Colors 2.0

Migrated all logic to Objective-C, added helper app to handle OS X
color panel
Updates to workflow file
Fixed NSColor Device Hue combination

Rebuild Alfred.framework
Changed name of image background to ‘contrast.png’
Removed alfred.scpt reference
Ignore .DS_Store files
Updated Screenshots
Images now match Alfred color scheme
Fixed RGBA and HSLA format issues

Strings returned are now valid CSS notations (e.g. ‘rgba(255, 0, 0,
0.5)’ instead of ‘rgb(255, 0, 0, 0.5)’)
Ignore .xcuserstate files
Update compiled workflow
Updates to Colors, Versions
Remove Versions
Settings XIB
NSColor extensions for color schemes
Re-added all files to get .gitignore to work
Fixed bug with Colors.app

Proper return values from input (@ CSS named colors)
White results are added to normal results
Merge branch 'objective-c'

Conflicts:
	Colors/checker.png
	Colors/colors.php
	Colors/icon.png
	Colors/info.plist
	Colors/update.json
	Colors/workflows.php
	Workflows/colorsiOS.alfredworkflow
Merge branch 'objective-c'