merged Brian's changes related to sngl_inspiral

gracedb/api.py

gracedb/forms.py

gracedb/migrations/0009_add_single_inspiral.py

gracedb/models.py

gracedb/query.py

gracedb/translator.py

gracedb/views.py

ligoauth/migrations/0003_utf8ify_user_tables.py

templates/gracedb/event_detail_HM.html

templates/gracedb/event_detail_LM.html

templates/gracedb/event_detail_MBTA.html

templates/gracedb/query_help_frag.html