Increase priority of config/editor.json

This makes config/editor.json and g:rails_default_config take precedence
over :Rnavcommand and :Rabbrev.
Fix several navigation commands
Switch :Rlocale happy path to new dispatcher
Purge cache on BufWrite

Instead of much simpler solution define an API that may be used for anybody
willing to add cache purging on events with a few keystrokes
Make spaces around the divider configurable

Fixes #225
Fix icon_names for unknown weather code
Switch from `status` + `ls-files` to `status --ignored`
Prevent update error when current file is empty
Merge pull request #123 from jszakmeister/fix-currenttag-on-unsupported-file

When switching to a buffer that is unsupported, clear current.
Update credits
Better handling of switching to unsupported buffer
Drop Cream support
Allow "command": false in projection

Not sure if this will become a sanctioned interface, but this will
prevent backwards compatibility issues if it does.
Empty projection does not create command
Split optional dependencies to python packages and other apps

Closes #227.
Change :: to . in JavaScript templates
Fix tab/split disposition of certain nav commands

Closes #215.
Watch out for indent keywords with hanging brackets

This way, a def or class ending in a multi-line bracket group would
indent its body correctly.
change syntax for nested selectors - should fix #20
Don't assume presence of fnameescape