Tag related model and db changes

Added column to track id of legislator or bill that is tagged.
Added User profile page

User profile page created. Link added to Navigation bar and their tags
are listed in their profile page.
Add method to bill and legislator to see if tagged

A method has been added to bill and legislator to see if a certain user
has it tagged.
Edit bills and legislator controllers for styling

Shorten the length of lines in bills and legislator controllers so that
we don't brush up against the 80 col so much.
Tags display they are aware of being active

An activated tag will be a button with a green background. Unactivated
tags will have a white background.
Dates lop off the time and timezone

All the datetimes had the time at midnight and UTC timestamp. Removing
them from being displayed
Tag button set up call for untag and tag

Setting up the tag button to send the right parameters when it calls the
tag or untag method.
Pass the csrf token with AJAX requests
Update bill_id regex

Regex has been updated to also find house and senate resolutions.
Tagging routes and controllers set up

Tagging is handled via AJAX request. Routes have been set up to handle
the requests to the controllers which then perform the actions.
Fix up toggling of tags
Further fix ups on the tagging process

Was a bit sloppy so going around and cleaning up.