Updates to Profiles and initial map load
changed avatar image
Merge branch 'master' of heroku.com:quito-backend
fix dalli config
added article and user validations. tried to fix expired_in for dalli
dont require avatar
added create users rake task
cant get memcache expire to work
added newrelic
added reload cache task
only show articles by user if by_user is in params. even if called from locations
only show articles by user if by_user. even on locations
use filtered params for cache_key