- removed slash-adding for logout-header-redirect
- add slash if webroot is an empty string
- added comment
lib/files.php: make use of === instead of ==
refactored/cleaned up lib/files.php
cleaned up get() logic
fixed get() to only send headers if requested (xsendfile could get in the way)
do no longer readfile() when already using mod_xsendfile or similar
switched zip file creation to ZipStreamer to create zip files directly in memory
Add displayname for admins
Return 101 if user doesnt exist
Add option to change email settings in admin section

Fix issue #7166
Remove duplicated definition and move OC.msg to js/js.js

Fix issue #7166
Reuse the folder id in View->getFolderContents
Merge branch 'zipstreamer' of https://github.com/McNetic/owncloud_core into McNetic-zipstreamer

Conflicts:
	lib/private/files.php
adding share owner information to the file list
store the share owner in a data-attribute instead of a separate span
update share owner
remove duplicate selectors and declaration
show share owner within shared folders as well
uppercase text and fix dialog popup
Improve jQuery element selector

see https://github.com/owncloud/core/pull/7012/files#r9337198
http://24ways.org/2011/your-jquery-now-with-less-suck/
updating 3rdparty
Use 'command -v' to detect whether and where software is installed (instead of 'which')