refactored settings
added standard columns to core tables
copied form unit tests from abandoned branch
copied question unit tests from abandoned branch
copied questioning and condition unit tests from abandoned branch
copied option_set and option tests from abandoned branch
fixed failing tests
changed questioning condition to use accepts_nested
diagraming gem and rake task
added diagraming gem, rake task, and added link to readme
added parameters to diagram rake task
merged staging
ran standard col migration
fixed merge conflict typo
fixed failing test due to new fk constraints
made options replicable and standardizable
added replication tests for option sets/optionings; moved replication into concern
made name conflict resolution work with camel case for question codes
added delegation to translatable concern
removed delegatable translation stuff for now, but left the fixed class var stuff