sort dashbord in frontend
allow Configurable._config_default to load default config
test _config_default
add IPython.config.get_config

returns config on global app if there is one
fix ordering dirs > notebook> files
update moment.js to 2.8.4
add utils.time

consolidate some time-related utils, used in save widgets
fix regular checkpoint updates in notebook

in master, this was updating every 10 hours,
regardless of the value, due to a variety of bugs,
including using relativeTimeThreshold getters
that do not exist in moment.js 2.7.
use `-c` to launch ipengine/ipcontroller on Windows Python 2

The previous behavior, introduced to workaround multiprocessing bugs (#4911),
caused an instance check failure, preventing `bind_kernel`
from being able to tell if the kernel is an engine.
Change IPython widget warning to get rid of filenames and line numbers

We do this to not confuse the interactive user
Make the widget warning easier to catch by specifying the module.
don't cleanup egg-info after every setup.py command

would cause `setup.py css` or any other command 
to effectively uninstall a development install.
Remove user_config js module
Fix default_cell_type option for notebook
fix widget-import-warning test

wasn't updated with warning changes
Merge pull request #7211 from minrk/warning-test

fix widget-import-warning test
Add kernel resources directory to package_data
Remove outdated path from MANIFEST.in

package_data seems to be included in the sdist automatically, so no need
to specify schema files etc.
trying to add history test
added history tests