Merge pull request #9 from mvegh1/master

Drag and drop between palette and map
Cleanup!
Create api.md
Update api.md
Tileset spec.
Moved
Added link to in-progress API document.
Update Reference.md
typo fix
Topbar not-logged in basics up.
Merge branch 'master' of github.com:spectrumbranch/cartography
Added images for robots tileset
Merge pull request #10 from acergriseum/master

images for robots tileset
Merge pull request #2 from spectrumbranch/master

Pulling latest vers