Initial work on node-webkit version
Sandbox stuff and other tweaks
Fixed the error message for an outdated Zed server

I assume that running a recent Zed server is not an error, and that the error message should instead be about outdated servers.
Merge pull request #179 from wpapper/master

Fixed the error message for an outdated Zed server
More refactoring to work toward node-webkit support.
Merge remote-tracking branch 'origin/master' into standalone
Fixing some broken stuff
A parent mode is required for each new mode
Merge pull request #188 from kingosticks/master

Docs: Example "zed" mode config should be under a "zed" key
Merge upstream master.