Add section on Overlay Icons to 'Using the Synchronization Client'
Update navigating.rst
discovery: handle 503 reply code from server for directories

503 for directories means that the dir is a mounted directory from an
external mount which currently is not available. The directory is
ignored and not traversed into during discovery phase.
Merge remote-tracking branch 'origin/fix_service_unavailable' into 1.7
Doc: Fix build documentation, adjust it to 1.7.

Fixes #2365
Merge pull request #2414 from owncloud/fix_2365

Doc: Fix build documentation, adjust it to 1.7.
[tx-robot] updated from transifex
SyncEngine: Handle 503 condition as soft error to properly handle etags.

Otherwise the ETags could be removed from the db and cause file
deletes.
Update The Automatic Updater manual page with current information
Fix typos and clean up wording
Update autoupdate.rst

Typo correction
ownSql: Don't set busy timeout on bad object
ownSql: Also mention filename
Correct Linux section on disabling update notifications
Merge branch 'updater' of https://github.com/owncloud/mirall into updater
[tx-robot] updated from transifex
CheckServerJob: Guard again null reply

Lucia had reported a crash in this function
Windows Shell Integration: refresh the cache on UPDATE_VIEW

Attempt to fix #2383
Propagator:  report error when deleting directories

Will help to understand why a directory cannot be removed

Will help for #2348
Add missing license headers

Part of #2068