Add new style sheet.
Remove unnecessary style sheets.
Add sidebar menu.
Fix latest value view.

String comparisons were not correct.
Handle logout/login, remove/add all databases.
Workaround for kanso upload multi-line string limitation

Kanso upload does not handle multi-line strings, see e.g. kanso/kanso#397.  Workaround saves data to upload to temp directory and escapes new lines.
Make open_changes_feed object more js-like.  

Use named attributes instead of array notation.
Update working controls.
Update documentation