Start using soapui 4.6.2 #93

Also update the groovy version that has been modified in soapui 4.6.2
Mock as war fails with SmartBear pro 4.6.2 #95

The generated war uses the web.xml from the OSS distribution.
Update mockaswar failing tests for pro 4.6.2 #95

We were previously unable to show it as the test used the oss web.xml
which does not generate the error.
Merge branch 'task-93-support-soapui-4.6.2'