allow user to set topic
use factory to save today's topic
Merge pull request #30 from victorleungtw/master

implement set topic feature
use firebase to set today's topic
Merge pull request #31 from victorleungtw/master

use firebase to set today's topic
fix bug for choosing wrong table when change cloth
Merge pull request #32 from victorleungtw/master

fix bug for choosing wrong table when change cloth
save cloth color on cloudbase
Merge pull request #33 from victorleungtw/master

save cloth color on cloudbase
fix bug for saving table color
Merge pull request #34 from victorleungtw/master

fix bug for saving table color
Merge branch 'master' of https://github.com/Green-Snake-Platinum-Kangaroo/kitchencooks

Conflicts:
	public/js/app.min.js
Merge branch 'master' of https://github.com/Green-Snake-Platinum-Kangaroo/kitchencooks

Conflicts:
	public/js/app.min.js
	public/partials/kitchenView.html