placement

- added camera movement
- placement of one type of tile based on camera
Brush

-added brush
-can crash at SDL_PollEvent, only happened when moving camera and
painting tiles or painting tiles then moving camera, heap corruption
Brush 2

-Fixed crashing caused by brush
-brush is better circle then before but could be improved
editor

- commented out unfinished code
Brush 3

-made improvements to brush circle, still not perfect
Merge pull request #2 from Vorskabobble/Editor

Editor