Delete inexisting arg.
Handle rc candidate versions.
use conceptual groups for server command line args
show server config info only once on startup, even in debug mode
but display once in non debug mode too
Cleanup defaults and display_defaults
Split common/continuum_view
continuum_view.View -> ContinuumView
Backbone.Collection -> Collection
Fix bokehjs tests
Add return statements
Simplify IPython detection logic.
Merge branch 'master' into hotfix/scripts
Update version change script to support package.json, improved output and error checking
use one codepath for py2 and py3
fix indentation
Merge pull request #1214 from ContinuumIO/hotfix/ipython_versions

Simplify IPython detection logic.
Merge pull request #1216 from ContinuumIO/task/version_update

Update version change script
need to store document in decorator
Changing curl command in stock_applet to use -O