added role management to navigation (by showing links conditionally based on role). converted sidebar to animated dropdown. added 'has_role' method to User factory for checking roles (same as Rails). wrote more explicit errors for failed ajax requests. changed profile icon to person instead of link.
created view influencer state, template, and controller. reorganized brandslip controllers into influencer and brand ctrls. added snapchat icon svg as a directive. fixed improper api call in CurrentUser factory. added get method to User factory. added classes for all social network color schemes (fb, twitter, snapchat).