Don't keep the full info of all children in memory
Expose creatable permissions trough fileinfo
Fix dav permissions for folders without create permissions
for whitelabeled edition, show branding name (e.g. 'ownCloud') instead of appname in header bar
Added spinners in share dropdown

Added spinners for the following actions:
- adding user
- removing user
- changing password
- toggling allowing upload
- setting a password
Add ID to markup to have the checkboxes in the right position
Prevent monkey clicking on labels

Clicking on labels while the spinner is there will not trigger the
hidden checkbox any more.
Inject config into checkserver and cleanup tests

Conflicts:
	lib/private/util.php
Don't complain about non-writable datadirs before we're installed

Conflicts:
	lib/private/util.php
Check for writable datadir during setup
Don't test for htaccess if we cant write into the datadir anyway
Try to create datadirectory to test whether the .htaccess works

Fixes https://github.com/owncloud/core/pull/11299#issuecomment-56968588 and also https://github.com/owncloud/core/issues/10628 together with https://github.com/owncloud/core/pull/11299#issuecomment-56968588 when backported.