tidied up tweet presentation
added low pass name to header
Merge branch 'node' of https://github.com/jeshuamaxey/low-pass into node
first commit of polymer branch.

Rudimentary polymer interface implemented with best practises. Config files currently ignore critical files in public/components directory. These are included in the next commit
low pass specific polymer components add to branch.
bower install may not install all dependencies perfectly just yet.
added instructions for testing/developing the polymer branch
added toolbar to refine page
updated css/js links to new components dir
tweets somewhat beautified
added date to tweets
improved homepage links element
refine and review view are now combined in lp-page-app

the graph element fits well in both the initial refine step
and the review step (when tweets are viewable).
Revert "improved homepage links element"

This reverts commit 40d591b8af4ffc8821664ee54cfad032e14fd71d.
Revert "Revert "improved homepage links element""

This reverts commit 0855acffb17cd31b652c788dda69c5b62b847099.
removed old, commented out code
re-added accidentally removed html import of twweetlist, fixing UI
fixes css bug for refine tools
changed colour of graph's highlighter region to low pass blue
removed unused buttons from header panel
removed html import links of old elements