Ref #205 Update to interfaces related to recurring events, as well as a number of bugfixes. The sql for a required table, `global_lu_restricted_days` is in the 1600 upgrade entrada.sql file, but I've just added it into the install sql now, so make sure you have that if using recurring events.
Merge branch 'develop' of https://github.com/EntradaProject/entrada-1x into feature-recurring-events
Ref #205 Fixed issues that Ryan Warner identified. Recurring events should now start the day after the original event, and end at the end of the day set as the end, rather than before it.
Merge branch 'develop' of https://github.com/EntradaProject/entrada-1x into feature-recurring-events
Ref #205 Changed events in the modal dialog for selecting which recurring events to apply changes to, so that the name/date of the event is now a label for the checkbox.
Adds CouseAudience Model to develop
Adds the database CONCAT function as a possible key to use when using fetchAll.
Adds comments on how to use the fetchAll/fetchRow methods.
#440 Fixed a javascript bug when adding Curriculum Type Periods to Curriculum Types.
Merge branch 'develop' of github.com:EntradaProject/entrada-1x into develop
Merge branch 'develop' of https://github.com/EntradaProject/entrada-1x into feature-recurring-events

Conflicts:
	www-root/core/modules/admin/events/content.inc.php
Merge pull request #431 from EntradaProject/feature-recurring-events

Merging feature-recurring-events branch into develop
Changed start date used for recurring events to ensure that an event is never set up on the same day as the original event.
Adds CurriculumPeriod Model to develop
Merge branch 'develop' into feature-course-custom-list