Merge pull request #27 from muya/master

Added initial notification sending functionality for newly created users
implemented notifications UI 
added StatusCodes model
implemented display of foreign key values on UI
fixed error that prevented  generation of CRUD
added SecurityUtils class
added basic functionality for setting password
added Notifications to navigation bar
changed default font to 'Trebuchet MS'
Merge branch 'master' of https://github.com/TrainingCoders4AfricaKenya/FarmAfrica