Clean up function names.
Spec conformance for function blocks versus statement blocks.
Provide more consistent behavior in how parseFunctionBlock works.
Update comment
Add support for parsing generator declarations.

Conflicts:
	src/services/syntax/SyntaxGenerator.js.map
Function property assignments can also be generators.

Conflicts:
	src/services/syntax/SyntaxGenerator.js.map
Add support for parsing yield expressions.

Conflicts:
	src/services/syntax/SyntaxGenerator.js.map
Fix spelling mistakes, and remove unused function.
Add clarifying comments.
Update context names.
Add support for [GeneratorParameter] grammar parameter.
When entering a type context, 'yield' should be allowed (as long as you're not in strict mode).
Merge pull request #1129 from Microsoft/yieldExpressions

Parsing support (including incremental parsing) for 'yield' expressions.