Remove outdated and unused XML Parsing library

This library is actually not used anywhere in the code and is
vulnerable against XXE.

According to the commit log this seems to have been used for MDB2, this
library hasn’t been touched since more than 2 years.
Delete travis-setup.php
Merge pull request #86 from owncloud/remove-outdated-library

Remove outdated and unused XML Parsing library
Remove useless and sourceless Windows libraries
Remove useless fontawesome docs containing sourceless code
Remove useless and sourceless Windows binary
Merge pull request #87 from owncloud/remove-uneeded-doctrine-file

Delete travis-setup.php
Remove duplicate chosen.css
kill phpdocx, phpexcel and it's dependencies
Merge pull request #89 from DavidPrevot/clean-up

Clean up
Merge pull request #91 from owncloud/kill_phpdocx

kill phpdocx, phpexcel and it's dependencies
Merge pull request #90 from owncloud/kill-duplicate-chosen

Remove duplicate chosen.css
Merge branch 'master' into update-sabre-1.8.9-master