Make saving and loading work; go back to camel2spaces
add promise to thaw; saving/saved indicator
SVG logo if the browser can handle it; retina favicon
launch button first take; better saving activity feedback; tune DT colors
fix bug with launch button never being enabled on page load
fix double quotes in javascript (replace with single quotes); implement navigation confirmation
fix save/launch positioning; DataTorrent in title tag; Rename "DAG Canvas" to "Application Canvas"
Merge pull request #186 from DataTorrent/save-load-dag-model.MLHR-1413

Retina stuff, Launch, Nav Confirm