Squashed commit of the following:

commit 2c2d3a9fdbe6f5ab3329e783b5628f3aec6f8369
Author: RashmiDR <rashmi@datatorrent.com>
Date:   Tue Nov 26 17:17:15 2013 -0800

    documenting performance, mobile and chart demos and also the ActiveMQ operator fixes #329
Squashed commit of the following:

commit fc95d9565ebd4d8b65d5c7f6025df11b919114a4
Author: RashmiDR <rashmi@datatorrent.com>
Date:   Tue Nov 26 20:23:40 2013 -0800

    applying review findings of #issue 329
Merge branch 'documentingDemos_pull' of https://github.com/RashmiDR/Malhar into release-0.9.1