SWITCHYARD-1232 Promoting a component service multiple times fails
bump to 0.7.0.Final
bump to 0.8.0-SNAPSHOT
SWITCHYARD-1231 operationSelector gets clobbered with multiple camel bindings on a service

Chages necessary to get unit tests running without fails.
SWITCHYARD-1083: Attach SecurityContext to Exchange vs. ThreadLocal
SWITCHYARD-1227: Detect exception and common XML types in serializer
SWITCHYARD-586 Service and Reference promotions naming issue
SWITCHYARD-590 messageComposer setting ignored on Camel composite service bindings.

Changes in test kit which allows to inherit injected fields (test kit, domain, mixins) and invokers.