[fixes #36] Ask for user location and save it into the session.
[refs #36] Incorporates codereview suggestions.
Merge pull request #41 from codefordurham/feature/36-html5-geolocation-api

[fixes #36] Ask for user location and save it into the session.
[fixes #48] Removes titlecase template tag.
Merge pull request #49 from codefordurham/feature/48-titlecase

[fixes #48] Removes titlecase template tag.
Added pictures to the detail view

* pictures show up in the establishment detail view
* commands to import/export property_id from a cvs file in Durham-Data
* icon for the list view
* added address in detail view (closes #30)