Copied user guide version 1.10 files to maintenance branch for 2.0 alpha1 release.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/branches/RELEASE_2_0_alpha1_BRANCH@1629236 13f79535-47bb-0310-9956-ffa450edef68
Ported changes on site menu to 2.0-alpha1 meaintenance branch.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/configuration/branches/RELEASE_2_0_alpha1_BRANCH@1629240 13f79535-47bb-0310-9956-ffa450edef68