update dependencies

package.json

@@ -47,7 +47,7 @@
     "gulp-sourcemaps": "^1.6.0",
     "gulp-typedoc": "^2.0.0",
     "lodash": "^4.13.1",
-    "npmextra": "^1.0.7",
+    "npmextra": "^1.0.8",
     "projectinfo": "1.0.3",
     "q": "^1.4.1",
     "shelljs": "^0.7.0",
@@ -55,9 +55,9 @@
     "smartcli": "1.0.4",
     "smartcov": "0.0.6",
     "smartenv": "1.2.5",
-    "smartfile": "4.0.10",
+    "smartfile": "4.0.12",
     "smartpath": "3.2.2",
-    "smartstring": "^2.0.14",
+    "smartstring": "^2.0.15",
     "source-map-support": "^0.4.2",
     "tsn": "^1.0.7",
     "typedoc": "^0.4.4",