Disambiguate string literal types from other string literals.#5725

Merged

rbuckton merged 2 commits intomasterfrom stringTypesCleanup

Nov 24, 2015

Commits on Nov 20, 2015

Adds StringLiteralType to SyntaxKind to disambiguate string literals in a type position.
rbuckton
committed
Minor change to getStringLiteralType
rbuckton
committed