feat(tsfmt): support TypeScript 2.0.0 and next

Author: vvakame

package.json

@@ -37,7 +37,7 @@
     "glob-expand": "^0.2.0"
   },
   "peerDependencies": {
-    "typescript": "^1.0.0 || >=1.8.0-dev || >=1.9.0-dev || >=2.0.0-dev"
+    "typescript": "^1.0.0 || ^2.0.0 || >=2.1.0-dev"
   },
   "devDependencies": {
     "dtsm": "^1.1.0",
@@ -49,13 +49,13 @@
     "grunt-dtsm": "^1.0.0",
     "grunt-exec": "^1.0.0",
     "grunt-mocha-test": "^0.12.7",
-    "grunt-ts": "^5.5.1",
+    "grunt-ts": "^6.0.0-beta.2",
     "grunt-tsconfig-update": "^0.0.1",
     "grunt-tslint": "^3.1.1",
     "load-grunt-tasks": "^3.5.0",
     "mocha": "^2.5.3",
     "power-assert": "^1.2.0",
-    "tslint": "^3.12.1",
+    "tslint": "^3.13.0",
     "typescript": "^1.8.10"
   }
 }