Merge pull request #2 from friendica/master

merge from friendica/red
Merge pull request #390 from beardy-unixer/master

Let admins set a default expire days value.
save notes every ten seconds while focused, then save them once more on focusout
Merge https://github.com/friendica/red into pending_merge
dispense with formalities
update pt-br translation
Merge pull request #391 from solstag/master

update pt-br translation
snakebite: bring back some of the legacy XML discovery interfaces, update as required.
more efficient public feed fetching
removed default maximagesize - it can be set in the admin pages.
start of legacy probe utility
clarify location - issue #392
Update and fix dark scheme

Updated the dark scheme as far as possible. Some items do not have a string, so they can't be themed. A dark derived theme would probably better.
No empty strings
Merge pull request #393 from jeroenpraat/patch-1

Update and fix dark scheme
some work on jot, remove some deprecated js and some random style fixes
doc updates, plus back-end work for rpost to let you post to a different channel than your current logged-in channel. Need the same for rbmark back-end. Then we "just" need a selector widget on the editor forms.
Update documentation on connecting to channels and on documentation.
Merge pull request #396 from solstag/master

Update documentation on connecting to channels and on documentation.
introduce a connection type called 'ifpending' for number 6 of issue #395 - so that we can still have an unconditional 'pending' link. Needs testing before integrating with the nav menu