replace all static calls to OC_Config and OC_Preferences to calls to OCP\IConfig
replace double quotes with single quotes
Check for XMLWriter class

This is not installed by default in all cases and will break the DAV features of ownCloud. Lot's of reports such as https://github.com/owncloud/ios-issues/issues/167#issuecomment-63798507
cleanup languages. closes #11274
drop dependency of some commands on old config object
Merge pull request #12325 from owncloud/removeunneccessarylang

cleanup languages. closes #11274
Merge pull request #12299 from owncloud/clean-lib-base-config

replace all static calls to OC_Config and OC_Preferences to calls to OCP...
Fix file upload to ext storage when recovery key is enabled

Fixes an issue when uploading files to external storage when recovery
keys are enabled

The Util class only works with real users, so instantiating it with the
virtual recovery key user or public key user can cause issues.
Merge pull request #12321 from owncloud/checkForXMLWriter

Check for XMLWriter class
Merge pull request #12330 from owncloud/jenkins-eat-that

drop dependency of some commands on old config object
drop OC_Preferences::getUsers and getApps
Merge pull request #12336 from owncloud/drop-getApps-getUsers

drop OC_Preferences::getUsers and getApps
Revert "drop OC_Preferences::getUsers and getApps"

This reverts commit 09fd34eed908203674721af86ce889bfd0a0ef8d.
fix unit tests of mdb2scheamreader
update grammar

Suggested by mnestis on Transifex.
Merge pull request #12344 from owncloud/fixstypo

update grammar
[tx-robot] updated from transifex
Merge pull request #12342 from owncloud/fix-master-unit-tests

fix unit tests of mdb2scheamreader
use composer to install 3rdparty dependencies