Adding a window extension to find out it's scaling factor. (Detect retina display)
Adjusted ScalingFactor Method
NSHighResolutionCapable needs to be set to true to support high resolutions
NSHighResolutionCapable Value is supposed to be set to 'true'.
Show an example key/value that needs to be added to the info.plist
It's 'its'.
Correcting comment
Merge pull request #40 from vidalvanbergen/master

Detect retina displays using a window's ScalingFactor
Merge pull request #24 from macoslib/master

Merge changes