Initial commit of this fork(forked from AndreyAkinshin/knockout-mvc)

* multiple ko contextts on same page
* Demo project converted to mvc 4
* added date/time json converters for jQueryUI
* added some useful bindings (detailed in future documentation)
* added Enum extensions
* some revision of KnockoutExpressionConverter

may somth else )

This fork I develop by myself without using GitHub now I decode deveop it
in the community.