Update to meteor 0.7.1.2
Move Chunk from models into packages
update to 0.8.0
Clear trees only
Merge branch 'master' of git.assembla.com:beautiful-js
Merge branch 'master' of git.assembla.com:beautiful-js
Update html for meteor 0.8.0
Use Packages for maps, tilesets, and chunks
Rename files for consistency