only call exec() if allowed to

use more understandable 'link' icon for public links (instead of hard to recognize globe)

[encryption] define type in pre hook

show a warning in the personal settings and admin settins if the encyption keys are not initialized

use more understandable 'link' icon for public links (instead of hard to recognize globe), fix #9707

remove share permission if user is excluded from sharing

update attributes for share-with-user view

function declaration did not match

remove MssqlBundle

update attributes for share with user list, file should always have delete permissions, this means unshare in this context, and the overview page is always a root view

Fix enforced share expiration date to be based on share time

[share api] add OCS api call to set expire date for link shares

generate copy of sqlite database file in data directory

Prevent nginx from buffering event source events

improve look of search on mobile, save space in top bar, fix overlap

Cleanup Document Preview

move public page footer rules from sharing app to core so it is used by other apps too

enable input grouping also outside of log in screen

ownCloud users are exported as address book

update getID3 library

Set version AFTER a successful update

Update mimetypes.list.php

Dont try to execute jobs that no longer exist

Verify whether the URL is valid

Dont throw an error when calling $server->getUserFolder when logged out

don't silently exit in cli-mode in case ownCloud in not yet installed

max icon size for app menu

Required for https://github.com/owncloud/mail/pull/100#issuecomment-50266017

@karlitschek Backport for stable6 and stable7 requested.