Update maven-scm-publish-plugin 1.0 -> 1.1

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1610109 13f79535-47bb-0310-9956-ffa450edef68
Add site-content folder to svn:ignore.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1610110 13f79535-47bb-0310-9956-ffa450edef68