ISIS-1335: fixes formatting of pom.xml for simpleapp's webapp module.
ISIS-1335: fixes formatting of pom.xml for simpleapp's webapp module.

apache/isis,niv0/isis,sanderginn/isis,niv0/isis,apache/isis,estatio/isis,incodehq/isis,estatio/isis,incodehq/isis,sanderginn/isis,niv0/isis,oscarbou/isis,sanderginn/isis,niv0/isis,oscarbou/isis,sanderginn/isis,apache/isis,estatio/isis,oscarbou/isis,apache/isis,estatio/isis,incodehq/isis,apache/isis,oscarbou/isis,incodehq/isis,apache/isis