[#69564154] Choose user in add/remove reminder

Event will not know user inherently, so it is necessary to specify the
user in the add and remove reminder methods.
[#69564154] Add reminder icon to event dom
[#69564154] Dom for the new reminder popover

Introduce the reminders component.
Rework the dom for the reminders view to match the new composition.
Instantiate a reminder component when the reminder icon is clicked in
the collapsed event view.
[#69564154] Add handler to cancel event reminder

Attach close method to cancel button of reminders.
[#69564154] Start saving reminders

Move management of reminders out of events.
Add a reminders controller and add the create action.
Add a jbuilder partial to render a reminder json.
[#69564154] Load and display reminders

Add a jbuilder to show a collection of reminders.
Add a fetcher to the reminders collection.
Show fetched reminders in the picker window.
[#69564154] Put basic data flow in place

Add destroy method to remove unwanted reminders.
Properly check for already created reminders so that duplicates aren't
created.
[#69564154] Put basic data flow in place

Add destroy method to remove unwanted reminders.
Properly check for already created reminders so that duplicates aren't
created.
[#69564154] Fix up time spec
[#69564154] Logic to calculate time for reminders

Add a method to event that can calculate what time in utc the event is
taking place for a particular user timezone.
Use the method on the event in the reminder to determine the time it
should be sent.
[#69564154] Method to lookup reminders to send
[#69564154] Server methods to get local datetime
[#69564154] Add reminder mailer

Reminder mailer html template.
Save recipient time zone along with reminder.
Merge branch 'master' into reminders

Conflicts:
	app/assets/javascripts/kiwi/templates/event_collapsed.jst.ejs
[#69564154] Real reminder fetch logic
[#69564154] Add rake task to send reminders
Merge remote-tracking branch 'origin/reminders' into reminders

Conflicts:
	app/assets/javascripts/kiwi/models/reminder.js.coffee
	app/views/reminders/_reminder.json.jbuilder
[#69564154] Reminder automatic placement
[#69564154] Fix up a reminder spec
adding comment_count to the jbuilder dtog