297: Valerie: added reviewing_group_id to user model

Conflicts:
	app/assets/stylesheets/reviewing_groups.css.scss
#297: Valerie: updated tests and user controller
added binding.pry
#297 & #298: Valerie: added fields for users to reviewing group form and implemented autocomplete
added missing div to reviewing groups form
Valerie: remove all references to reviewing group member entity
Valerie: updated user factory method to include reviewing group assignment
Valerie: drop reviewing group members table
there is a previous migration that copies the data from the reviewing
group members table and makes the appropriate association between
those users and reviewing groups, making it safe to drop the reviewing group
members table.
Valerie: fixed security issue with users.json
Valerie: added has_and_belongs_to_many relationship between reviewing_groups and users
Valerie: removed reviewing_group_id from users
Valerie: updated junior_consultant.to_s to return name associated with user object
Valerie: updated user mailer to use jc.user.name and jc.user.email
Valerie: updated review views to use jc.user.name instead of jc.name
Valerie: updated jc views to use jc.user.name and jc.user.email
remove ALL references to jc.name and jc.user
Valerie: remove a few more references to jc.name
Valerie: #296: remove name and email columns from jc table in db
Valerie: #296: added jc fields to user form
Valerie: #296: updated users controller to properly save new jc object