[aries-1072] Test subsystem with satisfied BREE requirement installs.

git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1491843 13f79535-47bb-0310-9956-ffa450edef68
[aries-1072] Fix subsystem with satisfied BREE requirement does not install.

Requirements with the osgi.ee namespace were being ignored while computing the Require-Capability header for
an application's subsystem manifest. Consequently, osgi.ee capabilities were not allowed by the region's
sharing policy.

git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1491849 13f79535-47bb-0310-9956-ffa450edef68