Update README.md

Added screenshot
Update README.md
Spelling
Update README.md
* Resolution can now be changed!
* Bugfixes
* improved stability
+ added Localizable
+ added German
* Fixed language issues
Update README.md
+ Move windows of disabled monitor
Merge branch 'gui' of github.com:Eun/DisableMonitor into gui
* Changed Build to 10.6
* Support for 10.6
Prepare new Features
* Prepare for custom Resolution
* Prepare for Res-Manager
Ratio
* Added aspect ratio
* Reading /System/Library/Displays/Overrides/
* Prepare Custom Resolution
Bugfixes
* Fixed issue #2
* Hide unsupported features
* Added German language again
Release 1.4