changelog
    
    
    - Tue, 01 Jan 2019 22:30:10 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Tue, 01 Jan 2019 22:30:10 +0200] rev 1437
 
    - commit work done on mdi
 
    - Fri, 28 Dec 2018 00:03:47 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Fri, 28 Dec 2018 00:03:47 +0200] rev 1436
 
    - moved GL stuff into a new gl namespace
 
    - Thu, 27 Dec 2018 23:41:06 +0200
 
    - by Teemu Piippo <teemu@hecknology.net> [Thu, 27 Dec 2018 23:41:06 +0200] rev 1435
 
    - removed the GuiUtilities class