SWITCHYARD-1336 Update SY schema to allow for non-string types to be replaced with properties

support integer and long for now
SWITCHYARD-1332: serviceTask does not use standard BPMN2 parameters
SWITCHYARD-1230 Relax SCA activator requirements for clustering
SWITCHYARD-1345: Context properties not scoped or labeled properly in ContextMappers
Merge remote-tracking branch 'upstream/master'