Update README.md

Merge pull request adobe#605 from adobe/chris/tests-for-liveedits

Insert a delay between opening and closing a live connection

Update README.md

Updated CodeMirror SHA

Merge pull request adobe#240 from adobe/tvoliter/issue151

fix for issue adobe#151. Changed overflow-x of project-files-container div to auto

Merge remote-tracking branch 'origin/nj/issue-84'

Merge pull request adobe#40 from adobe/jason-sanjose/file-api

Fixed error handling in FileEntry.createWriter(). Added unit tests. Updated docs.