Superevent visual changes

bower.json

config/settings/base.py

gracedb/events/templatetags/mediaviews.py

gracedb/static/css/override-new.css

gracedb/static/images/utokyo2.gif

gracedb/templates/base.html

gracedb/templates/gracedb/event_detail.html

gracedb/templates/gracedb/event_detail_CWB.html

gracedb/templates/gracedb/event_detail_GRB.html

gracedb/templates/gracedb/event_detail_coinc.html

gracedb/templates/gracedb/log_entry_details.html

gracedb/templates/gracedb/manage_pipelines.html

gracedb/templates/gracedb/neighbors_frag.html

gracedb/templates/navbar_frag.html

gracedb/templates/search/latest.html

gracedb/templates/search/query.html

gracedb/templates/superevents/detail.html

gracedb/templates/superevents/log_entry_details.html

...edb/templates/superevents/preferred_event_info_table.html

...plates/superevents/preferred_event_info_table_public.html