Start investigating what it will take to get Camel working with CXF 3.  camel-cxf-transport now works with either 2.7 or 3
Remove an unused import
Update to use StaxUtils methods wherever possible. (better security handling, better performing, compatible with cxf3)
Remove some unused code
Updates to get everything building and testing with both 2.7.8 and 3.0.0-SNAPSHOT
Remove unused imports
Don't use a class that's been deprecated for 2 years.
Update pom to work with all the CXF versions
Haven't supported CXF 2.3.x for a really long time