unescaping parameter types

[ghost]

The main change here is from {{ParameterType}} to {{{ParameterType}}} in nine places.
Other changes are from regenerating the Cdr.Banking sample code.
There is also an addition of a = default to the last set of parameters of a controller method as compulsory parameters can not come after optional parameters.

[chullybun]

Pull request accepted.

With the exception of the Web API Controller parameter default. This fix created other issues with the likes of Create and Update where the value was defaulting to = default where the value was not nullable. If a parameter should be defaulted for a controller then the parameter default code-gen configuration should be used; for example: <Parameter Name="Names" Type="List&lt;string&gt;" Default="default" />.