update jquery to 2.1 (Beta 3) for mobile performance
add build script for requirejs
changes to remove chat services and fix require issue
New slides for snow in CNY
Merge branch 'development' of github.com:rongsheng/personal into development
Merge branch 'development' into production

Conflicts:
	personal/settings.py
make jquery.cookie amd only
Merge branch 'development' into production
make jquery.cookie non-amd as it seems to have problems
Merge branch 'development' into production