some strange commit with Dirk's changes and some more
Merge branch 'develop' of https://github.com/dirkschumacher/iUPB into develop

# By Dirk Schumacher
# Via Dirk Schumacher
* 'develop' of https://github.com/dirkschumacher/iUPB:
  creates an edit view and enhances the show view of ads
  enhances the index view
  changes search param to "q" from "search" - it's cleaner :)
  adds a time ago for posts and minor change in ads controller
  adds a remove method