JK_1_2_31_RC1
Dry run went well so tag 1.2.31 RC1. If voted this tag will be renamed to JK_1_2_31

git-svn-id: https://svn.apache.org/repos/asf/tomcat/jk/tags/JK_1_2_31_RC1@1026257 13f79535-47bb-0310-9956-ffa450edef68