Edit footer

Added social media icons and changed font color to white; also removed "VegPhilly" and made font larger
Add template tag for restaurant urls

Add a template tag that removes http(s):// and trailing / from the
displayed vendor website.
Cleanup Template tags.

Make hyperlinks transparent by not using urlize and the various
template tags that have been dumped on top of it.
Merge pull request #161 from steventlamb/merge_105

Merge 105
Merge pull request #160 from ah2455/master

Edit footer