[DEV-1320] Merge branch 'DEV-1371' into DEV-1320: merge timezone-aware fix into working branch.

Conflicts:
	askbot/middleware/view_log.py
	askbot/models/base.py
[DEV-1320] Remove installation dirs from .gitignore.
Merge pull request #4 from roverdotcom/DEV-1320

[DEV-1320] Get Askbot running alongside Rover: merge in Rover-ready Askbot build.
[DEV-1394] Replace username with get_full_name() as appropriate throughout templates.
[DEV-1394] Undo previous change of username in javascript.
[DEV-1411] Alter AskbotUser middleware to create a new AskbotUser if it doesn't exist.
[DEV-1400] Completely remove mention of followit from Askbot (barring one template).
[DEV-1400] Remove mentions of followit URLs from Askbot templates.
[DEV-1400] Add ManyToManyField and methods mimicking followit to AskbotUser.
[DEV-1400] Add migration for m2m field for AskbotUser following.
[DEV-1400] Modify follow_user on AskbotUser to return boolean indicating created status.
[DEV-1400] Add askbot_user views import to views __init__.
[DEV-1400] Add followit-equivalent follow & unfollow views for AskbotUser.
[DEV-1400] Add login_required decorators to followit-ish views.
[DEV-1400] Revert changes to follow_tests: not a necessary change.
[DEV-1400] Re-enable user_network view.
[DEV-1400] Re-enable use of followit urls in Askbot template and js.
[DEV-1400] Re-enable filtering of search on followed users.
[DEV-1400] Modify url setup template to set up new followit-ish urls.
[DEV-1400] Attempt to get related_name to show up on AskbotUser's ManyToMany.