Added "type=text" makes it look like nice like all other fields

- Upgraded phpseclib to master version (post 0.3.5)
- Now using fopen() on sftp URL for both read and write
- Fixes #4063

add path relative to the files folder of the currently logged in user to the output of getFolderContent()

The cache isn't cleared properly because unlink() doesn't remove the
cache entry which caused side-effects when reusing the same file name
(which randomly happens when time() returns the same value)

This fix first makes sure the unit tests don't fail any more.
The unlink() case with the cache will be investigated separately.

don't use the user id within the versions preview call as it could be used to access previews of another user

OC_Util::setupFS($user) will create a data dir for the given string - no matter if the user really exists - OCP\JSON::checkUserExists($owner); introduces a ready to use check which will bail out with an JSON error

Changed jQuery selector for public preview to public_upload to correctly show preview

The versions and trashbin app are now passing "includeMountPoints=false"
to "getFileInfo()" to make sure that the calculated total size doesn't
include mount points like Shared or external storage.

This is because the default call (legacy) used to return the size of
mount points as well.

Fixes #6731

isPreviewAvailable wasn't always set as the files formatting code is
slightly different than the one from the files app.

Fixes #6423

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>

- added karma utility to run jasmine unit tests
- added Sinon library (for stubs/mocks/fakeserver)
- added a few unit tests for core and files
- added autotest-js.sh script

When a dir has no delete permission, the draggable isn't initialized on
files. This fix makes sure we don't try to destroy a draggable when it
wasn't inited in the first place.

Fixes #6254

LDAP: only read config from database, if configID is given. Not what we want to do when on-the-fly-testing settings from the admin page

Now forcing smbclient to also run on UTC