(chore): Dark mode audit

Closes #1553

See merge request !468

[Sprint/HipsterHedgehog] (feat): clicks on etag blur should propagate to remind and viceversa

Closes #1444

See merge request !393

[Sprint/JollyJellyfish](feat): Add subscribe button to channel dropdown

Closes #1564

See merge request !463

[Sprint/JollyJellyfish](bug): Fixed issue causing notifications to mem leak out and break

Closes #1594

See merge request !465

This reverts commit 3130dd25, reversing
changes made to 749e79e5.

This reverts commit 749e79e5, reversing
changes made to bb8e6d9b.

Conflicts:
	src/app/modules/media/view/view.component.html

[Sprint/JollyJellyfish] (fix): group conversations won't load

Closes engine#677

See merge request !466

(Feat)  disable comments 526

See merge request !426

Brian Hatchet authored Jul 29, 2019 and Mark Harding committed Jul 29, 2019

Extended the post-menu-component to allow the enabling and disabling of services
Added an activityservice component to broadcast events when activity properties change
Acitvitiy, media and blogs components react to allow comments changing, disabling or enabling comment trees

[Sprint/JollyJellyfish](fix): Fixed reload required after posting in group

See merge request !462

[Sprint/GiddyGiraffe] (fix): analytics

See merge request !407

[Sprint/JollyJellyfish] (fix): implement autocomplete for reminds and edits

Closes minds#673

See merge request !458

[Sprint/InterestingIguana](feat): max video size #1506

Closes #1506

See merge request !450

[Sprint/JollyJellyfish](chore): Update banner image buttons #1479

Closes #1479

See merge request !456

(feat) Pulse the avatar of users in groups who are participants of the gathering

Closes #1515

See merge request !457

[Sprint/JollyJellyfish] (fix): @ tag showing [Object Object] on enter key down

Closes #1537

See merge request !455

epic/referrals

See merge request !388