Fixed "sequimiento" to "seguimiento". Spanish translation.

See merge request !939

Use mastodon api in follow requests

See merge request !937

Fix "TypeError: Cannot set property 'pinned' of undefined"

Closes #652

See merge request pleroma/pleroma-fe!936

Some corrections to the spanish translation

See merge request !929

Make image orientation consistent on FF, fix videos w/ modal

See merge request !926

Documentation

See merge request !718

* upstream/docs:
  Apply suggestion to docs/HACKING.md
  Apply suggestion to docs/CONFIGURATION.md

* upstream/develop: (193 commits)
  fix user avatar fallback logic
  remove dead code
  make bio textarea resizable vertically only
  remove dead code
  remove dead code
  fix crazy watch logic in conversation
  show three dot button only if needed
  hide mute conversation button to guests
  update keyBy
  generate idObj at timeline level
  fix pin showing logic in conversation
  Show a message when JS is disabled
  Initialize chat only if user is logged in and it wasn't initialized before
  i18n/Update Japanese
  i18n/Update pedantic Japanese
  sync profile tab state with location query
  refactor TabSwitcher
  use better name of controlled prop
  fix potential bug to render active tab in controlled way
  remove unused param
  ...

Remove dead code

See merge request !927

Fix broken user avatar fallback logic

See merge request !933

Make bio textarea resizable vertically only

Closes #650

See merge request !928

Remove dead code

See merge request !925

Fix "Making hundreds of needless api requests in profile page"

Closes #646

See merge request !923

Show "Mute Conversation" menu item and three dot button to users and only if needed

Closes #645

See merge request !922

Fix "Mixed pin markers from multiple users"

Closes #640

See merge request !919

Show a message when JS is disabled

Closes pleroma#827

See merge request !822

Initialize chat only if user is logged in and it wasn't initialized before

Closes pleroma#1067, pleroma#856, pleroma#1080, and #394

See merge request !894