SWITCHYARD-1447: Implementation support for attachments
SWITCHYARD-737 Update BPEL schema referenced by SwitchYard to sca-implementation-bpel-1.1-cd03.xsd

Remove the Marshaller, descriptor, and schema and change package references in tests to match the
new package of the implementation model.
[SWITCHYARD-1434] - Attachment support in SOAP gateway
SWITCHYARD-1402 Remove CamelMessageComposer from implementation.camel.

Removal of SERVICE_DOMAIN camel property and registry lookups since we use SwitchYardCamelContext everywhere which has getServiceDomain method.
Split hierarchy tree for Camel Component and Camel Binding Components