Added tests.
Support getOccurrences for modifier keywords.
A few touch-ups to the code.
Merge branch 'master' into getOccsForModifiers
Added 'Constructor' to 'isDeclaration' predicate.
Look through constructor parameters if acc. modifier.
Account for variable statements, as they are not declarations.
Added a few tests.
Merge branch 'master' into getOccsForModifiers
Catch modifiers in sourcefiles.
Added more tests.
Fixed comment.
Change the name invokeEmitter back to emitFiles
Merge branch 'master' of https://github.com/Microsoft/TypeScript
Report errors for using yield/generators right now.
Report error on asterisk token.
Merge pull request #1268 from Microsoft/generators

Report errors for using yield/generators right now.
Merge branch 'master' into conformanceTests-624

Conflicts:
	tests/baselines/reference/parameterInitializersForwardReferencing.errors.txt
Merge pull request #657 from Microsoft/conformanceTests-624

Conformance Tests for Spec Change in PR#624
Merge branch 'master' into getOccsForModifiers