WIP: Week view with times

[mattlewis92]

This has to be one of the most requested features of all time and is now going to become part of the official api 🎉 The new UX is that all events appear in the bottom grid, and anything marked as allDay appears at the top (preserving the old behaviour)

Still to do:

• drag and drop of hourly week view events
• resizing of hourly week view events
• allow dragging non snapped events onto the all day events block and vice versa
• add an option to insert a template into the left hand column for the all day events label

Tests to write:

• resizing an event from the end to another day on the right (and check ghost resizes)
• resizing an event from the end to another day on the left (and check ghost resizes)
• resizing an event from the start to another day on the left (and check ghost resizes)
• resizing an event from the start to another day on the right (and check ghost resizes)
• snapDraggedEvents = false: drag and drop of a multi day spanning event to another column and hour (where the original event didn't exist)
• snapDraggedEvents = true: drag and drop of a multi day spanning event to another column and hour. Test temp events are created while dragging
• test dragging an event from time to all day
• test dragging an event from all day to time

Preview:

Closes #593

[codecov-io]

Codecov Report

Merging #653 into 0.26 will increase coverage by 0.18%.
The diff coverage is 97.07%.

@@            Coverage Diff             @@
##             0.26     #653      +/-   ##
==========================================
+ Coverage   97.53%   97.71%   +0.18%     
==========================================
  Files          37       38       +1     
  Lines         650      789     +139     
  Branches       72       97      +25     
==========================================
+ Hits          634      771     +137     
- Partials       16       18       +2

Impacted Files	Coverage Δ
src/date-adapters/date-adapter.ts	100% <ø> (ø)	⬆️
...odules/week/calendar-week-view-header.component.ts	100% <ø> (ø)	⬆️
src/modules/week/calendar-week.module.ts	100% <ø> (ø)	⬆️
.../modules/common/calendar-resize-helper.provider.ts	100% <100%> (ø)	⬆️
.../common/calendar-native-date-formatter.provider.ts	100% <100%> (ø)	⬆️
...modules/week/calendar-week-view-event.component.ts	100% <100%> (ø)	⬆️
.../week/calendar-week-view-hour-segment.component.ts	100% <100%> (ø)
.../common/calendar-moment-date-formatter.provider.ts	100% <100%> (ø)	⬆️
...common/calendar-angular-date-formatter.provider.ts	100% <100%> (ø)	⬆️
src/modules/day/calendar-day-view.component.ts	95.76% <92.3%> (-0.18%)	⬇️
... and 3 more

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[mitjarogl]

@mattlewis92 Is it possible this kind of multi day view UI on month view (Issue:#758)? Right now events on template are repeating from day to day and it is not clean way to merge them together.