Whitespace police

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1588187 13f79535-47bb-0310-9956-ffa450edef68
Small optimisation. The resolver and the factory are only used when running under a security manager so only load them in this case.
Also avoid a possible memory leak when creating these objects.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1588193 13f79535-47bb-0310-9956-ffa450edef68
Ensure <th> elements have the same text-align property on every browser.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1588195 13f79535-47bb-0310-9956-ffa450edef68
Update changelog

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1588197 13f79535-47bb-0310-9956-ffa450edef68