SWITCHYARD-1308 Implement binding.sca and extensions
SWITCHYARD-1310 Acquire Transformer/Validator instance from CDI registry

Author:    Tomohisa Igarashi <tm.igarashi@gmail.com>
Signed-off-by: Lukasz Dywicki <luke@code-house.org>
[SWITCHYARD-1307] - Removed Proxy instance logging
SWITCHYARD-1314 Message Validator improvement