Added name and user columns to admin list view.  Fixes #145.
Switched order of user and name so that name would appear first in admin view. Also added help text to these two fields.
Added name, locations to search fields
Switched order of words and people in TwitterFilter to improve display order in admin view
Merge pull request #147 from gwu-libraries/t145-twitterfilter-name

T145 twitterfilter name