Brought dependencies to their latest versions

Author: Omkar Patil

generators/app/templates/_package.json

@@ -17,12 +17,12 @@
   "dependencies": {},
   "devDependencies": {
     "gulp": "^3.9.0",
-    "gulp-tslint": "^3.0.2-beta",
+    "gulp-tslint": "^3.1",
     "gulp-help": "^1.6.0",
     "tslint": "2.*",
     "gulp-jasmine": "^2.0.1",
     "gulp-tsconfig-files": "0.0.2",
-    "typescript": "^1.5.0-beta",
+    "typescript": "^1.5",
     "dotbin": "^1.0.1",
     "jasmine": "^2.3.1"
   },