add groups of trainees by term
add TraineeGroupForm to context data for event create
static files for select2
added name field to Trainee api
updated select2 from 3.4.2 to 3.4.8 (to match django-select2)
commented out line that made border disappear
include select2-bootstrap.css
specified 1px border for select2-choices
added comment
finds intersection of trainee groups
separated trainee_select into own js and html files. renamed from traineeGroup to trainee_select
trainee_select ready to use

added comments on how to use trainee_select.
clear form after submitting.
fixed bug in js.
API for team type. accepts 'campus', 'child', 'yp', 'i', and 'com' as arguments
added locality field to Trainee
added locality field in admin
removed misplaced </div> tag
django comment tag instead of html comment

{% include %} tag inside comment was causing error
added Locality field to trainee select
added django_select2 to installed_apps
API for team type - "trainees/teamtype/[type]" instead of "trainees/team/[type]'