comment_tree_test should accept a query string
link to comment treemaps
multiple changes, see extended log

-changed filenames of comment and post treemap generators
-moved form styles to css file (layout.css)
-added title bar to show what subbreddit you're currently in
links in posts open in new tab
removed a redefinition of a function
javascript now sets page title on treemap load
Merge pull request #22 from c0z3n/presentation-prep

Presentation prep