Bug price in challenge
Bug price in challenge
Updating price in profile
working on users coins
Working on coins bug
working on accept coins
Fixed poins
coins fixed
Redepmtions restore points
coins fixed
Update perks when it depends in stock
Differente bug fixes
user authenticacion
Added img
Stream order by date
Fixed typo
Merge remote-tracking branch 'origin/bum' into bum
adds models for surveys
fixes tests to make them run again

Most of the test are in red, I also removed the routing specs becuase
these features can be covered usig acceptance tests.
New model changes