Domain surfaced issues

[agjohnson]

This is an overview of some issues that were surfaced with the dotnet domain specification. These issues will be addressed in separate pull requests.

• [x] Foo<T><T><T> is invalid, would be Foo<T, T>
• [ ] Foo<T> is the display version Foo1` is the reference definition
• [ ] Foo<T> could link to Foo
• [x] Need to parse Foo<T1,T2>
• [ ] Don't support Foo1` as a class definition
• [x] Consider supporting VB/F# declaration syntax
• [x] Enumeration could be enum
• [x] Structure could be struct
• [x] Argument <T> is invalid
• [x] Arguments require types
• [x] Domain objects can have modifiers -- public, private, etc
• [x] Operator tests should also have types
• [x] Drop operator names from operator syntax
• [x] Support op_<name> instead of operator ==
• [ ] Reference on overloaded methods at different levels
• [x] Drop sphinx alias syntax
• [ ] dn -> dotnet
• [x] drop short names in favor of long names
• [ ] assemblies would be metadata options as well
• [x] get set options on properties
• [x] event adder and remover