Work in progress for secure message implementation
Secure message was missing body element.
Message sending is comming together.
Updated expected response and switched order for the asserts.
Added recipient to UserReachable response.

Added test for a failed user reachable call.
Added tests for Message API.
Renaming MessageService to ServiceService.
recipient should be RecipientId.
Removing unused imports.
Updating tests.
Updated wsdl and schema files to the latest available version.
Changed maven-assembly-plugin to maven-shade-plugin for jar packing.
Updated test trust store.
Merge branch 'secure-msg-testing'