Added a redirection to referrer page
referrer redirect

Redirect the page after login to the referrer page
Removed TODO section
Code refactoring of redirect to last URL
Renamed Referer to Referrer
Merge branch 'JahlomP-master'

* JahlomP-master:
  Renamed Referer to Referrer
  Code refactoring of redirect to last URL
  Removed TODO section
  referrer redirect
  Added a redirection to referrer page