- Changed vs2012 project to target v110_xp
- Ignore gfx offset spin control change events when offsets are changed via other means. Should fix #15
- Hide next/prev image buttons on gfx entry panel if the entry only contains 1 image
- Fix #33 and a few other similar issues
- Update affected map geometry on undo/redo moving vertices, fixes #32
Merge branch 'master' of https://github.com/sirjuddington/SLADE into osx