Fixes #268 #267 ignore private on import.

- Make sure to warn the user that we ignore private bookmarks.
- Ignore PRIVATE the attr and private the tag.
Drive by: link to firefox extension in the account page
Support search with username filter.

- Add an input on the search form to limit search to only your bookmarks
- Update the API to include the username as part of the search
- Make sure that it checks both in the GET, in the route (mdict)
Update makefile to work in a path with a space.

If there's a space in the path things like the #! to the python in the
virtualenv fail.

This updates the commands to quote where necessary to allow for installing and
running in a path that includes spaces.

The path used to QA these changes was:

  /home/rharding/tmp/one space/Bookie
Added MySql DB Support to Docs
Update MySQL db install docs.