changelog
    
    
    - Wed, 15 May 2013 23:34:50 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Wed, 15 May 2013 23:34:50 +0300] rev 208
 
    - Allow rectangle drawing by pressing shift when inserting the first vertex.
 
    - Wed, 15 May 2013 01:25:04 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Wed, 15 May 2013 01:25:04 +0300] rev 207
 
    - Made drawing an edit mode, allowing me to add more modes in the future
 
    - Tue, 14 May 2013 23:05:04 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 23:05:04 +0300] rev 206
 
    - Added icons for Isecalc and coordinate replacer
 
    - Tue, 14 May 2013 22:18:38 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 22:18:38 +0300] rev 205
 
    - Added Isecalc interface
 
    - Tue, 14 May 2013 18:33:02 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 18:33:02 +0300] rev 204
 
    - Added icon for drawing
 
    - Tue, 14 May 2013 18:32:34 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 18:32:34 +0300] rev 203
 
    - Added Coverer interface
 
    - Tue, 14 May 2013 18:00:50 +0300
 
    - by Santeri Piippo <crimsondusk64@gmail.com> [Tue, 14 May 2013 18:00:50 +0300] rev 202
 
    - Un-templated CheckBoxGroup, moved it and RadioButton into widgets.cpp/widgets.h; removed license text tab because I think LICENSE is enough.