ARQ-1656 Add Contextual execution to HttpFilter methods

Fixes NullPointerException in Enricher on client side
due to missing active Contexts when running on
Arquillian Core 1.1.3.Final.


Test Suite require Drone upstream to run due to similar issue:
https://github.com/arquillian/arquillian-extension-drone/commit/38c31b9c26246d1fb37e043e4fbc3c41d724549a