Show store search description in dashboard title and breadcrumb
Added clear button to dashboard stores search form.
Touch up dashboard store list template

- Make title link go to dashboard detail page
Restored file stores.defaults.

It was deleted in commit 6cb7dc76, for unknown reason but it looks like this
file is required, runtests.py won't run without it.
Improved API for geocode service

Rise exception when something wrong wen't instead of returning None silently.
Geocode service refactoring
Enabled i18n in javascript