Create manytomany relation on Vendor and VeganDish

Add vegan_dishes ManyToMany field in Vendor. Create schema migration to
generate table based on new relation. Create data migration to populate
new table with exising vendor and vegan dish relations. Remove existing
vendor foreign key from VeganDish as it is no longer needed.
Update with new vendor vegan dish relation

Update forms and models to make use of new vendor_vegan_dishes relation.
Create model admin for VeganDish. Create VendorVeganDish inline and
display on Vendor and VeganDish model admins.
Merge pull request #154 from cwimbrow/topic/vegan_dish_many_to_many

Vendor-VeganDish ManyToMany
Add blog post images to images folder
Merge pull request #158 from ah2455/master

Add blog post images to images folder
Add frame and caption to cat on blog
Merge pull request #159 from ah2455/master

Add frame and caption to cat on blog
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
Quickfix public_data