Wave accessibility compliance

Add Redis cache implementation, prefer over memcached, tests & config sample doc

Add a isLoggedIn method to the usersession and deprecate the isLoggedIn ...

Add mount specific options

make sure styles and scripts are only loaded once

first step to drop \OCP\Config:: in favour of IConfig

Send mail for new users

show spinner on file upload in IE8, 9

HHVM: Do not call filesize(null), this function expects a string.

filesize(null) yields an int on HHVM and thus exif_imagetype(null) is called.

Fix extra quotes in custom tags in header

Fix #12939

Fix deleting invalid s2s shares

be more explicit in JS unit tests - caused by accessibility issues

fix initial loading limit of user management on large screens

Move the Null-Byte LDAP check to the user manager

HHVM: Add workaround for missing Memcached::deleteMulti()

More accessibility fixes for Files

Improve empty states

Move basic auth login out of `isLoggedIn`

Setup a docker container that holds a webdav instance to test files_exte...

document docker parameter and use random host port
fix typo
copy autotest.sh to autotest-external.sh
adds ability to add start* and stop* scripts in env in external tests
run files_external WebDAV tests against ownCloud instance
introduce executor number to be able to shut down the correct docker container
fetch docker images in advance - this also fetches latest versions of the docker images
add second argument to autotest-external.sh which can specify a single test to run
print out the explicit test run
change naming schema of files_external setup scripts