adjusted to allow choosing it, yet

Technically the check for iOS from components is a side effect, because it's
neither in state nor props, but the user agent does not change, so I think
that's okay.

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.

for those errors

to only those from local users; Add link to "extended information" to
getting started in the UI; Add defaults for posting privacy; Change
how publish button looks depending on posting privacy chosen

warning mentions preview into area where actual content would be

overshadow requirement for remote-lookup

untested, my vagrant is bugged again, submitted at gargron's request

nested inside a common parent (<Account>), instead they all embed <HeaderContainer />

the public timeline has been using