fix flickering users
Fix SVG icons

FIXME: Ugly hack to prevent SVG of being returned if the SVG
provider is not enabled.
This is required because the preview system is designed in a
bad way and relies on opt-in with asterisks (i.e. image/*)
which will lead to the fact that a SVG will also match the image
provider.

Conflicts:
	lib/private/preview.php
Remove insane comment
Use certificate bundle from files_external for external shares
make skeleton compatible with objectstore

suspend encryption proxy when copying skeleton
make tests compatible with hook based skeleton generation
throw exception in writeBack, the returned boolean is checked nowhere
Merge pull request #11613 from owncloud/external-share-self-signed-stable7

[stable7] Use certificate bundle from files_external for external shares
strip whitespace from the beginning and end of the display name to avoid empty display names
Add app version to JS and CSS

This leads to the regeneration of the hash in case a single application is updated.

Fixes https://github.com/owncloud/core/issues/11374
include the apps' versions hash to invalidate the cached assets
Merge pull request #10732 from owncloud/make_skeleton_compatible_with_objectstore_minimal_stable7

make skeleton compatible with objectstore
backport of #11478

add checkbox for experienced users to server tab

must be empty not auto

sets user filters to raw mode when marking user as experienced

Objectlasses, Groups and Attributes are now loaded only in assisted mode and only once

user and group counts are only upated on demand in experienced mode

confirmation before switching to assisted mode when admin is experienced

rename internal var name to avoid collision

more beautiful white spaces

smaller corrections to make scruitinizer happier, no effective changes

bump version

fix triggering of group update counts. improves the basic code which is also responsible for user counts. i did not find regressions, please doublecheck

remove debug output

coding style, no effective code changes

always abort running ajax request when the method is fired up again

show a spinner next to test filter button when the test is running

show Spinner when stuff is being saved

show busy cursor and lock tabs on save

instead of dis/enabling tabs on save, cancel tab change. avoids noisy ui

remove debug output

rephrase xp'ed user mode label

left-align checkbox on server tab
Add a try catch block

This function might also be called before ownCloud is setup which results in a PHP fatal error. We therefore should gracefully catch errors in there.
small corrections to config.sample.php
some small tweaks
commented out instanceid and passwordsalt
read config.sample.php options and whitespace fixes
Merge branch 'stable7' of https://github.com/owncloud/core into stable7
Merge pull request #11550 from owncloud/fix_flickering_users

fix flickering users in files external