Implemented events and front page

models/database.py

models/forms.py

modules/admin.py

modules/speech.py

server.py

templates/admin_event_edit.html

templates/admin_event_index.html

templates/admin_event_new.html

templates/admin_index.html

templates/index.html

templates/macros.html

templates/speech_index.html

templates/speech_show.html

templates/speech_update_show.html

templates/update_index.html

templates/update_index.js

templates/update_show.js