Treemap prototype up
Added treemap view
made lots of little changes

colored borders on each comment, pulled in number of claims and
comments, fixed some styling with tabs page
Merge remote-tracking branch 'remotes/origin/master' into scott

Conflicts:
	ci_application/controllers/pages.php
	ci_application/models/data_model.php
	ci_application/views/pages/home.php
	ci_application/views/pages/homeBottom.php
Merge branch 'master' of https://github.com/ungv/tigerfoobar into scott
Made some changes to treemap; color now reflects node score, and it now takes up the full space available in the window. Also refactored the backend to allow treemap.php to be used in many page views with different data.
added tag styling
Merge remote-tracking branch 'origin/master' into victor
commented out not working script
merged with scott
tried to roll back
fixed
merge
merged back with master
fixed merge conflicts
merged with treemap
merged data_model
sorted comments in the right order

added reply box
changed id and class names to keep css consistent
added tools for user to change their account info