Simplify tmp logic to use only one tmpid for style/source. Refs #493.
Lazy tmp write logic.
Merge pull request #563 from mapbox/one-tmp

One tmp
Easier font selection.
Remove unused things.
Add keybinding tests. Fixes #130.
Add test for save keybinding.
Robustify disable mask metrics.
More disabled mask robustification.
Disable export-ey UI components when project is changed. Refs #323.
Update test selectors.
Tests for changed state on settings form changes.
Clear focus from form fields when saving.
Scale project thumbs.
Show delete action in sources modal. Fixes #158.
Merge branch 'master' into disable-export-on-changed

Conflicts:
	app/source.js
Merge pull request #568 from mapbox/disable-export-on-changed

Disable export on changed
Disable postgres/postgis on travis for now.
Merge pull request #570 from mapbox/no-travis-postgres

Disable postgres/postgis on travis for now.
Refactor history api to be a flat array of chronological ids.