updated mongodb data files, re-imported all csv files after tag key change
review comments order by most recent, date format, user name, rendering cleaned up.

Add: order by updated_at, user name stored on create
Add: using collection to render embedded comments, using trigger due to
nested model.
Fix: consolidated comment code into backbone view
comment required for downvote via modal dialog, save disabled unless comment text exists.
review page - consolidated all comment code in comments view, added comment count.
changed comment related html id's for consistency, trim whitespace from comments text before saving.
cleaned up html structure, scroll to top on review page load

fix: overlapping widgets on review page
fix: review page spans full width now
fix: form input and text area widths
set doc title for each backbone route, useful for browser history.
initial models are loaded as html data attribute, eliminating 2 extra ajax requests on page load.
added measure search, added local user preferences object

Add: local user preferences object to store selected tags
Add: search form as backbone view with events
Add: search by keyword within measures filtered by tags