Merge pull request #19 from kpartlow/master

Removed unused interface options and fixed cdnrouter test.
Merge branch 'master' of https://github.com/jdereg/n-cube
Merge pull request #20 from kpartlow/master

Updated CommandCell interface with changes recommended by John.  Simplif...
Updates threading to use AtomicBooleans, Change SimpleJsonParser to create our objects for us, and the updated UrlCommandCells to implement those new calls.  UrlcommandCell also now takes a url for its constructor
Merge branch 'master' of https://github.com/jdereg/n-cube