Fixed user profile editing.

It turns out that profile editing was broken when not changing profile
picture. This should address that issue, and also solve an issue with
our server side date model not reflecting the JavaScript one.
Removed like button from vendor card.

Also added activate vendor script to streamline process of activating
new vendors.
Removed like buttons on all responsive cards.
Merge pull request #38 from rpanjwani/vendor-likes

Market likes have not been tested fully with the UI as they have not yet been hooked up to the server. The market-hookup branch fixes this, so I will test to make sure likes work before pull requesting that branch.
Merge branch 'master' into product-tags

* master:
  Removed like buttons on all responsive cards.
  Removed like button from vendor card.
  Fixed user profile editing.
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