Revert "CXF-5565 update to opensaml 2.6.1 with thanks to Jon"

This reverts commit adf55fd78c61c485accbb5f31274d68dc6b1361e.

Conflicts:
	parent/pom.xml
Revert "CXF-5565 updated to opensaml 2.6.1"

This reverts commit ceb6b86d6e9c2f81bef7fe96856229c9d4e860fd.

Conflicts:
	parent/pom.xml
SYstest/uncat compile on Java5
Revert back to jackson that supports java5