Remove wrong limit parameter from count query in compatibility function

fixes #2789 - no internet connectivity check if there is non on purpose

fixes #2743 - use public OC_User::getDisplayName instead of OC_User::det...

Add OC\VObject\StringProperty. Partial fix for owncloud/apps#762

Move compatibility functions to compatibility.js and add two more.

Refactor upload js

OC6- Just use rawurlencode in files list template

Set file perms to 0640 of mount.json - fixes #2718

Allow purging multiple objects from category index table.

Fixed things in alert-messages

Fix indentation in util.php.

Fix #2693

When removing a group response.data.action becomes 'remove', thus the if
shows an empty notification.

Proper CSS comment

clarify documentation. Fixes https://github.com/owncloud/core/issues/2624 

Two parameters for OC.dialogs.alert, otherwise one will be "undefined".

Also fixed missing translation.

CSS comments don't work like that.

Add a name to the version parameter

Without an additional name it's nearly impossible to write positive security model based rules since the parameter name isn't defined.

Adds a fixed width to the filename to prevent horizontal scroll.

Don't expose the server installation time

Use a more random source...

Use more random source