fixed the numeric search issue #86
fixed the internal 500 error caused by searching '#' and '&' special chars
Merge pull request #103 from rpanjwani/search-numeric-fix

fixed the numeric search issue #86
Fixed photo orientation for mobile

After a fair bit of searching, it turns out there’s a nice set of image
processing tools called pilkit. One of the processors it offers is
called Transpose() which rotates a photo based on its orientation EXIF
data. This corrects the orientation of any images uploaded via mobile.
Removed user from EditVendorSerializer

I think there is a bug in our code that can particularly map vendors to
the wrong user objects on edit. I sure hope this hasn’t happened in
production…
Fixed merge conflict in models.py