Make sure calendars folder exists before saving calendars.
Add datetime picker to ical starting and finishing dates.

It's still needed to make the js that syncs the dates in the form.
Add javascript to sync dates between date pickers.
Make minor fix to avoid duplicate dates.
Validate starting and finishing hours for ical.
Solve dates sync bugs.
Configure time values step.
Abstract datetime picker setup.
Remove harcoded error message.
Merge pull request #1 from digitalnatives/date-and-time-selection-adjusts

Date and time selection adjusts