Bump dependencies

package.json

@@ -32,11 +32,11 @@
     "prepublish": "gulp prepublish"
   },
   "dependencies": {
-    "async": "^1.4.2",
+    "async": "^2.0.0",
     "chalk": "^1.0.0",
     "class-extend": "^0.1.0",
     "cli-table": "^0.3.1",
-    "cross-spawn": "^3.0.0",
+    "cross-spawn": "^4.0.0",
     "dargs": "^4.0.0",
     "dateformat": "^1.0.11",
     "debug": "^2.1.0",
@@ -47,15 +47,15 @@
     "glob": "^7.0.3",
     "gruntfile-editor": "^1.0.0",
     "html-wiring": "^1.0.0",
-    "istextorbinary": "^1.0.2",
+    "istextorbinary": "^2.1.0",
     "lodash": "^4.11.1",
     "mem-fs-editor": "^2.0.0",
     "mkdirp": "^0.5.0",
     "nopt": "^3.0.0",
-    "path-exists": "^2.0.0",
+    "path-exists": "^3.0.0",
     "path-is-absolute": "^1.0.0",
     "pretty-bytes": "^3.0.1",
-    "read-chunk": "^1.0.1",
+    "read-chunk": "^2.0.0",
     "read-pkg-up": "^1.0.1",
     "rimraf": "^2.2.0",
     "run-async": "^2.0.0",