fix postgres error in notes controller
more readable spec
fix more postgres errors
update syntax in Gemfile
replaced gem memcache-client with gem dalli and changed Production.rb to use memcachedcloud on Heroku
fix scopes for postgresql in activity model
add guard to automate tests
use find_by instead where
query with Arel
response.status should be 302
update pg gem
Fix specs for postgresql
better spec_helper
remove comments
replaced gem memcache-client with gem dalli and changed Production.rb to use memcachedcloud on Heroku
Use Arel scopes instead hashed conditions to fix sqlite specs
use transaction for database cleaner, truncation becomes too slow tests
use truncation for database cleaner on sqlite
Merge pull request #75 from ccarruitero/postgres

fix #75 PostgreSQL support