Add a filter which launches ipython notebook and runs a casper script
against it.
Move default.js content into its own file.
Add testing if port is already in use.
Add script which takes screenshot of each cell.
Remove manually specifying port. Add custom image extension. #29
Able to specify custom directory in which to run ipython notebook. #29
Make cell metadata available to ipynbcasper filter. Add a 'name' param to js scripts.
Fix bug with blank dexy.conf file.
Automatically recognize dexyplugin.py. Load later plugins to override earlier ones.
More accurately identify which document triggers an error.
Add no-delete option to reporters.
Don't automatically convert keys and values to strings.
Make it easier to change defaults and define new plugins via YAML.
Fix rst tests which fail for latest version of docutils.
Stop using logs directory.
Stop using log_dir, move some reports to .cache.

Trying to reduce the amount of junk in project directories. The logs/
dir is now deprecated. dexy.log is now written to .cache and a reports/
directory exists in .cache, which reporters can use by setting a single
option. A deprecation message is printed the first time dexy encounters
an old logs/ directory.
Fix bug where an rst writer has no template path.
Make idio false start block capture any character, add tests for more false start types.
Fix template test to refer to wrapper, not batch.
Add filters for julialang.org