new addlayers modal
addlayer refactor
ogr sources added
use /v4, use access_token for tilejson requests
new addlayer flow; postgis, csv, and sqlite broken
csv added via mapnik-omnivore
csv added to mapnik-omnivore; postgis and sqlite fixed
Merge branch 'master' into mapnik-omnivore

Conflicts:
	package.json
proj input editable for postgis and sqlite
separated addlayer UI
add close button to popups
Merge pull request #421 from mapbox/close-button

add close button to popups fixes #365
fix baselayer toggle
remove unecessary line
Merge pull request #422 from mapbox/fix-baselayer

fix baselayer toggle, fixes #420
single layer sources are refreshable
Merge branch 'master' into authed_tiles
Mock the mapbox tile API to handle auth requests.
Add error case tests for missing oauth creds.
Fix source fail test and only test at the source level.