resolve issue #11
Merge pull request #12 from jby-sri/iss_11

resolve issue #11
room info update
Merge pull request #16 from youngiggy/refactor_yi_1202

room info update
Merge branch 'master' of https://github.com/sri-labs/expressChat into iss_14

Conflicts:
	index.js
	public/index.html
	public/main.js
resolve #14
rooms info search