workaround for websocket bug

Secure websockets over cherrypy always seem to be one message
behind.  This commit works around this bug.
add SSL support to tangelo

Add command-line options to run tangelo as a web server
over HTTPS.
Error out if only one of "--key" and "--cert" is supplied.
Merge branch 'zackgalbreath-ssl_ws'
Abstracting girder setup in separate module
rewrite of dendrogram plugin
Adding a TODO
Merge branch 'girder'
removed expert selection hooks
Implemented axisAligned dendrogram style
Merge branch 'master' into dendrogram-plugin
Tweaked some whitespace to conform to style guide.
Merge branch 'dendrogram-plugin'
adding documentation to plugins
explicitly add tangelo to window for compatibility with meteor
Merge pull request #325 from Kitware/meteor-compatibility

Explicitly add tangelo to window for compatibility with meteor
Adding command line options to control girder mounting
Merge pull request #324 from Kitware/plugin-documentation

Adding documentation to recently added plugins
Moving config into girder.py
Moved girder object to top-level application control.