In order to extend the ActiveRecord, it uses the Railties.
delete slave_connection
Interface moves to FreshConnction
manager_access method move to ActiveRecord::Base
make establish_fresh_connection method
refectoring
become to enable specificate slave_group
add active_support
rspec environment
temporary commit
move db_schema
test environment modify
move prepare files
add fondation data
add AccessControl spec
add ActiveRecord::Base spec
add several spec
change db_schema.sql
add fresh_connection spec
add Appraisals gem