Exit early in RoutedViewHost when in Design Mode.
Added "XDESPROC.EXE" (VS2012 Design Mode) to RxApp list of design
Also fixed an issue in RxApp where checking for design mode was testing
against full path of assembly instead of just the assembly name.
# By Markus Olsson (3) and Jordan S. Jones (1)
# Via Markus Olsson (1) and Paul Betts (1)
* 'master' of git://github.com/reactiveui/ReactiveUI:
Add OrderedComparer files in platform projects
Type inferred starting point for anonymous types
OrderedComparer - simple comparer chaining
Resolves issue #209