fix for issue 393 - always reset libxml_disable_entity_loader

by resetting libxml as soon as possible
Reduce the number of directories distributed in the composer archive
Merge pull request #410 from hella-gutmann/issue-393

Fix for issue #393 - Always reset libxml_disable_entity_loader
Merge pull request #413 from randompixel/zf-composer-archive

Reduce the number of directories distributed in the composer archive