Fix missing header, hide utility class constructor, constant names

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/branches/Temp_Checkstyle@1567283 13f79535-47bb-0310-9956-ffa450edef68
Disable some checks on some files

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/branches/Temp_Checkstyle@1567284 13f79535-47bb-0310-9956-ffa450edef68