changelog
    
    
    - Tue, 14 May 2013 00:52:20 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 00:52:20 +0300] rev 195
 
    - Added image overlays, these are offset and scaled photos drawn on top of the part model to help getting part data from pictures.
 
    - Mon, 13 May 2013 19:53:22 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 13 May 2013 19:53:22 +0300] rev 194
 
    - Fixed coordconv3_2 algorithm, plane drawing works on any of the fixed cameras now.
 
    - Mon, 13 May 2013 00:04:54 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Mon, 13 May 2013 00:04:54 +0300] rev 193
 
    - Added wireframe mode