DDF-477 Enable Travis CI on Oracle JDK8 and openjdk7
DDF-477 Modify CSW RecordConverter tests to avoid results that can depend on HashMap ordering.
DDF-477 Sort WFS results in test for reliable comparison.
DDF-477 Handle variation in XML ordering.
Merge pull request #6 from bradh/DDF-477

Resolve build issues on Oracle JDK8