[Bind] Improve BindStreamWriter

Allows multiple calls to Write to build up one line of text. Splits on
new line characters even in Write. Only places tabs if line is not
otherwise empty.
Add Silk to Dependencies\managed
Replace Rewrite with Silk
Hand write Silk code for some Wgl methods.
Change OpenTK.dll.config to only copy on newer.

Huge improvement in debugging as will not trigger a rebuild every time.
[Wgl] Use full name of type in DeclareLocal
[Bind] Use full type names in DeclareLocal
If no output given to Weave it uses input.
Pin the first element not the array.
Complete Wgl bindings.
Complete Glx bindings.
No longer need SlotAttribute.
Use fixed in handwritten functions.
Copy same instruction sequence as C# fixed.
No need to declare return type for new Silk parser.
Remove AutoGenerated from platform bindings.
Remove AutoGenerated from generated bindings.
Regenerate bindings.