Updated Drift to 1.5.0.
Merge branch 'master' into matt
Added database encryption and separate databases for each user.
Updated to Clojure 1.5.0-alpha5
Created a utility for reading and writing clojure forms using the new edn format. Also, updated Clojure to 1.5.1.
Removed the reference to drift from the profiles vector and updated the drift dependency to 1.5.1.
Added the username.clj file to all database user directories for loading of the usernames at runtime.
Removed references to the user model and replace it with using the new encrypted database through db_config.clj.