Corrected minor typo
Fixed a wrong timestamp update when adding a file.

When a file was uploaded the timestamp of the containing folder
should get updated, but the timestamp of the first file in the
folder was mistakenly updated.
There are some more wrong timestamps, but still looking for the bug.
Update Profile.md

added missing word
German translation for channels.md
Fixed some more timestamp bugs in RedDAV.

Fixed an SQL-query in RedFile::put(), where parameters where in wrong order.
Merge remote-tracking branch 'upstream/master'
Some doco work. Changed main.bb and added a return link to all .bb files and began planning new entries for user orientated documentation.
Tidied the folder from old backups
created new files for a quick explanation of the use of accounts, profiles, channels
added FAQ for users, admins and developers (the last one might not be exactly necessary?)
created a file to explain posting for new users
created new file to explain nomadic identities for users
modified main.bb
Return a correct timestamp when a folder is empty.

If a folder was empty a zero timestamp was returned. Now it will
return the timestamp of the folder itself.
delete my original doc working backup folder
Add rename support for DAV directories.

This works only over DAV right now, no GUI yet.
Merge pull request #519 from cvogeley/master

Remove Remove Account link from account settings
Merge pull request #516 from dawnbreak/master

Fixed a wrong timestamp update when adding a file.
Merge pull request #517 from tokudan/master

Some german translations
Merge pull request #518 from tluther/master

Doco work
update nl
add zottel dir server
Merge branch 'master' of https://github.com/friendica/red
keep dirsync from exhausting memory
limit updates from new dir servers to avoid exhausting memory.