Small tweak to Orchestra\Support\Relic to accept value()

Signed-off-by: crynobone <crynobone@gmail.com>
Run Relic::set() through value()

Signed-off-by: crynobone <crynobone@gmail.com>
Add hhvm

Signed-off-by: crynobone <crynobone@gmail.com>
Simplify validator.

Signed-off-by: crynobone <crynobone@gmail.com>
Re-add extendScenario() method.

Signed-off-by: crynobone <crynobone@gmail.com>
Additional cleanup.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1'