update attr_accessible
change to after_create

the EmbeddedObject was not being created becuase the id isn't available
until after the record is created.
combine attr_accessible
make callbacks protected. change the order of the callbacks and relationships.
add a todo

Group names must be unique by author
add a fixme. notes appear to be saving twice.
add attr_accessible for group_id
use new validation syntax and put attr_accessible at the top
begin updating routes to eliminate the match syntax when the via option isn't specified
add attr_accessible for contact_id
add newline to eof
use before_create with self.build_embedded_object
clean-up whitespace
notes duplicating due to precompiled assets in the test app.
finish updating routes

Fixes #42
Merge branch 'master' into rails4