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...