Add a description of to the Drawboard page.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1536848 13f79535-47bb-0310-9956-ffa450edef68
Follow-Up to r1536834:
Use correct order of initialization methods.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1536850 13f79535-47bb-0310-9956-ffa450edef68
Remove Whitespaces

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1536852 13f79535-47bb-0310-9956-ffa450edef68