fix #745
fix tests
Update changelog.
Merge pull request #757 from mapbox/prefix-layernames

Prefix layernames
mapnik 1415 its the future
Merge pull request #759 from mapbox/mapnik1415

mapnik 1415 its the future
Update changelog
Only invalidate source on saves.
Tests for caching source and fixes.
Add changelog entry.
Merge pull request #761 from mapbox/source-refresh-fix

Only invalidate source on saves
Allow windows path chars in addlayer modal pattern and update tests.
Merge pull request #763 from mapbox/addlayer-windows

addlayer modal windows fixes
Merge branch 'mb-pages' into cache-test-fix
Serialize ajax requests in keybindings tests.
Merge pull request #764 from mapbox/keybindings-serialize

Serialize ajax requests in keybindings tests
Merge branch 'mb-pages' into cache-test-fix
Merge pull request #762 from mapbox/cache-test-fix

Cache test fix
Add changelog entry for cache fixes.
0.0.7