Add ability for user to delete all their bmarks.

- Added model test for deleting all bookmarks
- Added view tests for delete_all_bookmarks
Only require date for user stats.

- Fixes issue #329.
Make sure export sends bookmarks w/o tags.

- Fixes #331
explicitly create python2 virtualenv
Merge pull request #336 from dyladan/makeenv

explicitly create python2 virtualenv
Add user stats page to display bookmark counts.
fix url alignment on edit page
fixed : bookmark count for users incremented
Made testcases pytest compatible
Merge remote-tracking branch 'pr/341' into qa-counts
Make sure we query per user for urls
Another attempt at fixing the username issue
Verify username when new users sign up.
Details on how to login after installing
How to create new users on local install
Added myself!
Merge pull request #343 from f3rn4nd0-c354r/develop

Update docs with note on initial login.
Made Makefile Arch and Fedora compatible
Fixed issue #329. User bookmark count works with only date now
Add JS tests for the user stats UI.