visited_location field added into Author class with default value sets to []
visited_location field added into Author class
Showing map view as per user's last edited marker
Enhanced close right top of map overlay
Initiated work for Tag Browser
Merge branch 'mongokit' into mongokit-dev
Map rendering based on user's last edited marker and Tag Browser work initiated
Merge pull request #362 from kedar2a/mongokit

Map rendering based on user's last edited marker and Tag Browser work initiated.
User shelf implemented
east_install replaced by easy_install
PIL replaced by pillow
Little modification for shelf div in template