Automatic layouting of main menu for different screen resolution, clean up the code. Import settings of some GUI textures are set to GUI.
Improved GUI rendering by setting import settings of GUI Textures to GUI. Gitignore OSX system stuff
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Merge branch 'GUILayout' of github.com:metropolia-portal/toyparty into GUILayout
Fixed main menu buttons centering
Merge branch 'GUILayout'