SMB/CIFS mounts using ownCloud login, fixes #7843

Fixed mtime reading from OpenStack API

Use the correct resolve method to resolve file storage (x-sendfile)

When detecting whether the file to be downloaded is on external storage,
the correct path needs to be used.

It turns out that \OC\Files\View is needed to resolve the path correctly
relative to the user's home.

The API seems to return floating point values, which prevents
the hasUpdated() check to work and causes the scanner to rescan
everything every time.

css files are not to be routed through index.php anymore

Miscellaneous text fixes for core apps

Fix undefined index warning in router

To check for shares, the code attempts to connect anonymously to the share.
In most cases this will fail with NT_STATUS_ACCESS_DENIED, so the regex array
used for parsing the output of smbclient in smb4php has been overridden to
treat such output as success.

The 'test' method for storage classes can now take a single parameter,
$isPersonal, which allows the storage to adjust the tests performed based on
if they are being configured as personal shares or as system shares.

SMB_Auto is now SMB_OC, and the name has been changed from
"SMB / CIFS Auto" to "SMB / CIFS using OC login"

Shares authenticated with user credentials (aka not hard coded) cannot be
accessed by other users, breaking sharing. This change completely revokes
sharing for such shares

getDisplayName would return the display name of the user, not great if it is a
canonical string. The uid passed back from 'login' is the UUID of the user, so
also not suitable. The login name from the session is the username the user
used to log in to ownCloud in the first place, which is what is needed.

Selecting 'SMB/CIFS Auto' in the mounts configuration allows an SMB/CIFS
mount to be configured that uses the credentials of the user logging in to
authenticate to the server.

Optionally, the username can be used as the share name, permitting home shares
to be dynamically mounted.

Fix merging of external storage configurations

Pretty print mount.json when possible

Merging of configurations is whenever the same config is available for
multiple users/groups, in which case the config is considered as a
single one by the UI, and shows multiple users/groups selected.

Fixed merging logic to make sure that class, mount point and options are
the same before merging them.

Fixed merging to work correctly when the same mount point path is used
for separate users and configs. These are now correctly shows in the UI
as separate entries.

Added PostgreSQL version warning on upgrade

Routing performance

Recursive mkdir fixes #7047

Manually triger the filecache update hooks before any other hook

Allow re-using already known fileinfo when calculating folder sizes

Also replace console.time/timeEnd when not in DEBUG mode

Log last cron execution