Updated ToC of the user guide for file-based configurations.
Updated ToC of the user guide for file-based configurations.

The section about file-based configurations comes now after the "Creating
Configurations" sections. The sections about file systems was removed.

git-svn-id: 0d31da9e303333003508381311333cf78a25d41b@1593829 13f79535-47bb-0310-9956-ffa450edef68

mohanaraosv/commons-configuration,apache/commons-configuration,mohanaraosv/commons-configuration,apache/commons-configuration,mohanaraosv/commons-configuration,apache/commons-configuration