Fixed bug introduced by b989ed202a06c5d0de482805a91183279bc11c5b (positional arguments was not set correctly inside profileheading.html, which happened after friends & photos clean up)
Switched PageEditProfile to api, refs #167
  - used API calls to render user profile information
  - cleaned up photos code (photo albums feature is outdated, so I removed, calls to photos table and cleaned up the template)
  - removed PageEditProfile class from ser.py code, as it's not used there.
  - extended profile api, so it returns user's zip, linkedin, google plus, etc