Merge branch 'master' into transforms

scripts/tslint/noNullRule.ts

@@ -1,20 +0,0 @@
-import * as Lint from "tslint/lib/lint";
-import * as ts from "typescript";
-
-
-export class Rule extends Lint.Rules.AbstractRule {
-    public static FAILURE_STRING = "Don't use the 'null' keyword - use 'undefined' for missing values instead";
-
-    public apply(sourceFile: ts.SourceFile): Lint.RuleFailure[] {
-        return this.applyWithWalker(new NullWalker(sourceFile, this.getOptions()));
-    }
-}
-
-class NullWalker extends Lint.RuleWalker {
-    visitNode(node: ts.Node) {
-        super.visitNode(node);
-        if (node.kind === ts.SyntaxKind.NullKeyword) {
-            this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
-        }
-    }
-}