[sharing] set minDate always to today + one day

remove confusing 'automatic logon rejected' message, fix #8591

using flush() here is pointless as we render the layout into a memory bu...

check quota when trying to download a file via new -> web

using flush() here is pointless as we render the layout into a memory buffer and actually transmit the data later

don't show share dialog and navigation entry if sharing was disabled for the user

only show "share with others" and "share by link" navigation bar entries if user is allowed to share files

trigger lazy loading earlier, fix #9823

add logout hook to remove keys from session

implement a txt preview fallback for the case that ttf is not support

ldap_ prefix will be added in invokeLDAPMethod(), having it would lead t...

ldap_ prefix will be added in invokeLDAPMethod(), having it would lead to a unexisting function, fixes #9829

Use relative, human readable dates in OC.filePickers - Fixes #8802

Improved scanner error message

Removed broken tar cutter, added tar and fixed extension switch.

we can only close the session if encryption is not used

Fix Folder::getById

fix tiny thumbnails in public preview/share mode

Adding link tag to enable facebook timeline previews

Travis support for PRs and master, stable5 and stable6

added tag to make facebook load a preview picture

Update public.php

add check ifMimeSupported and put the thumbsize in a variable

generate preview for all supported mimes

typo fix from transifex suggestion