implement max_import_size
remember activity setting
allow channel login to the api, just like with the cloud
make mention tagging by webbie do the right thing.
nothing going on here. nothing to see. move along.
update to German translations
Merge pull request #560 from zzottel/master

update to German translations
Merge https://github.com/friendica/red into pending_merge
Merge remote branch 'upstream/master'
change default invitation message
Merge remote branch 'upstream/master'