Composer update:
* simplesamlphp/saml2 v0.5.0 => v0.6.2
* dbpatch/dbpatch v1.2.0 => v1.3.0
* kriswallsmith/assetic v1.2.0 => v1.2.1
* openconext/engineblock-fixtures 0.4.0 => 0.5.0
* phpunit/phpunit 4.3.5 => 4.4.1
Fixes issue #116 Adaptive chosen-ciphertext attack on CBC mode, make Response Signing required for encrypted assertions