Fixes 6716: ServiceInterfaceStrategy fails to create with interface containing multiple methods without parameters
Merge branch 'master' of https://github.com/ancosen/camel into camel-6716-serviceinterfacestrategyfix
Merge branch 'camel-6716-serviceinterfacestrategyfix' of https://github.com/ancosen/camel into camel-6716-serviceinterfacestrategyfix