Hide some components rather than unmounting them to allow to show again
quickly and keep the view state such as the scrolled offset.

* fix regex filter

* fixed br to linebreak and, stlip tags.

* change to send raw content

* changed to unescape in reducer

before. In the API, attachments now can be either image, video or gifv. Gifv
is to be treated like images in terms of behaviour, but are videos by file
type.

now allows to cycle through multiple images

"whole known network" which is what public timeline used to be

Only domain blocks with suspend severity will block PuSH subscriptions
Silenced accounts should not appear in conversations unless followed

overshadow requirement for remote-lookup

status clickable (this also fixes multiple dropdown being openable at the same
time)

all statuses/accounts to assemble, but at least lists don't have to be
re-rendered all the time now. Also add "mention" dropdown option

Also upgrade react-redux to latest version. This is a performance update