Add new schedule action
Add new getTalksUri method to Event class
Add new Talk API class
Add new Talk model class
Add new EventDay helper class for scheduler service'
Add new scheduler service class
Upgrading Twig to 1.13.2: step 1 - remove current version
Upgrading Twig to 1.13.2: step 2 - add 1.13.2
no op commit to see if the build triggers
Merge branch 'master' of https://github.com/joindin/joindin-web2 into joindin-273
Some HTML cleanup [JOINDIN-321]
Pass Event to view as object, instead of as array. Fixes JOINDIN-356
Merge pull request #40 from s-e/event-as-object

Pass Event to view as object, instead of as array. Fixes JOINDIN-356
Add apiPost() and fix apiGet() to send the correct headers.
Login functionality.

Add the relevant routes and supporting classes to allow a user to log in to the API using the password grant type.
Add ability to view and comments to events.
Remove a Twig block that we don't need
Clean up the event card a little: move date to the rest of the meta data, improve the formatting of the date, and don't show the end date if it's a one-day conf
Tidy up the event page and make it nice, including:
- Splitting the event details and map into separate pages, including new methods in controller and new views (including view partials)
- Rename instances of "show" to "details"
Layout fix [JOINDIN-357]