Merged revision(s) 1536834, 1536848 from tomcat/trunk:
- Add mouse events to the document object so that the canvas correctly gets notified by MouseUp/MouseMove events even if the mouse cursor is outside of the canvas.
- Add a description of to the Drawboard page.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1536849 13f79535-47bb-0310-9956-ffa450edef68
Merged revision(s) 1536850, 1536852 from tomcat/trunk:
Follow-Up to r1536834:
Use correct order of initialization methods.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1536855 13f79535-47bb-0310-9956-ffa450edef68