add pg as a dependency and create hstore column
use receipt properties hstore for starred items
Refactored conversation creation to not use conversation builder
Refactored message creation to not use message builder
Refactoring notification creation to not use builder
Refactored receipt creation to not use builder
Removed base_builder
Merge branch 'feature/removing_builders' into develop
de-polymorphicize receipts and opt-outs
merge migration files
remove foreigner dependency
add message_class to generated config initializer
Merge branch 'feature/de-polymorphicize-messageable' into develop
add sort ordering clause to prevent intermittent spec failure
update gemfile for appraisals
namespace root_url to main_app so engine can be namespace isolated
use isolate_namespace which will correctly set the table_name prefixes
fix generators to work with namespaced engine and drop rails3.0 support
make carrierwave an optional dependency
there must be a better way to conditionally define and mount carrierwave
convert remaining mailboxer references to message_center