Fixing disabled function checks

Files androidcontentdisposition

Update sabre dav to 1.7.9

remove duplicate exe mimetype, add correct msi mimetype

Adding a random postfix to the part file.

in order to work properly with encryption ocTransferId is added to the file path - questionable usage of magic string

No decimal points for Kilobyte and Byte #5371.

Silence output of 'which' command used in smbclient detection

Fix APCIterator syntax in \OC\Memcache\APCu::clear

Return SPACE_UNKNOWN if disk_free_space is disabled

Make OC_Avatar unit tests independent of currently loggedin user

see http://www.php.net/manual/en/apciterator.construct.php

Re-add the config options to remove the ability for users to change their displayname

don't specify path to 3rdparty directory when registering Pimple autoloader

Add support mimetype

The core 3rdparty directory is in the include_path from lib/base.php anyway, so this is unnecessary, and causes problems for downstream distributors who unbundle Pimple.

Add support mimetype for extension .sh, .bash and .sh-lib

This reverts commit 2d75914f, reversing
changes made to 760fa9ea.

Somebody had forgotten "OC_User::setupBackends();"...