Add a reference to the relevant specification.
Add some more UTF-8 tests along with a few associated fixes to my tweaks to the Harmony UTF-8 decoder on replace.
Move a test from the old to the new test framework.
Still lots more tests required.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1452159 13f79535-47bb-0310-9956-ffa450edef68
Add final zero padding test
Associated fix to my tweaks to Harmony's decoder

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1452162 13f79535-47bb-0310-9956-ffa450edef68