Add docs about project root.
Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index bd5f51b..08d71a6 100644
--- a/Changes
+++ b/Changes
@@ -2,7 +2,7 @@ Revision history for Perl extension Test-JsonAPI-Autodoc

 {{$NEXT}}

-0.02 2013-11-02T10:11:30Z
+0.03 2013-11-02T14:43:51Z

     - Add documents.
     - Fix some bugs.