Fix various wildfly-camel failures on AIX

Failed tests: 
  ExecIntegrationTest.testExecProducer:70 expected:<[Hello Kermit]> but was:<[-n Hello Kermit
]>
Tests in error: 
  CastorIntegrationTest.testMarshal:66 » CamelExecution Exception occurred durin...
  DOMRegistryTest.testDefaultClassloader:74 » ClassNotFound org.apache.xerces.do...
  DOMRegistryTest.testDeploymentClassloader:64 » ClassNotFound org.apache.xerces...
  SftpIntegrationTest.setUp:75 » IllegalState Unable to configure known_hosts fi...
  JschIntegrationTest.setUp:73 » IllegalState Unable to configure known_hosts fi...
org.wildfly.camel.test.mongodb.MongoDBIntegrationTest.org.wildfly.camel.test.mongodb.MongoDBIntegrationTest
  Run 1: MongoDBIntegrationTest.beforeClass:71 » IllegalArgument Could not detect Platf...
  Run 2: MongoDBIntegrationTest.afterClass:78 NullPointer

  OptaPlannerIntegrationTest.testSynchronousProblemSolving:78 » NoClassDefFound ...
  PahoIntegrationTest.testMQTTProducer:142 » FailedToCreateRoute Failed to creat...
  PahoIntegrationTest.testPahoConsumer:105 » FailedToCreateRoute Failed to creat...
  ProtobufIntegrationTest.testMarshall:70 » CamelExecution Exception occurred du...
  ProtobufIntegrationTest.testUnmarshall:92 » NoClassDefFound com.google.protobu...
  SJMSIntegrationTest.testMessageConsumerRoute:100 » ArquillianProxy javax.jms.J...
  SJMSIntegrationTest.testMessageProviderRoute:137 » ArquillianProxy javax.jms.J...
  SSHIntegrationTest.setUp:48 » IllegalState Unable to configure known_hosts fil...
  XmlSecurityIntegrationTest.testXmlSigning:100 » CamelExecution Exception occur...
  XmlSecurityIntegrationTest.testXmlVerifySigning:126 » CamelExecution Exception...