Squashed 'bundle/chat/' changes from 62dce30..cb7907b

cb7907b css update

git-subtree-dir: bundle/chat
git-subtree-split: cb7907b4f8b9a60159cd6782f13ff383915eefd1
Merge commit '9e413f2a3191224db2d3bccbaf2f4f7a3967035a'
upgrade
This plugin get API key for vmchat authenticddation from vidyamantra.com.