fix lessc and np missing

Author: afc163

package.json

@@ -66,6 +66,8 @@
     "enzyme-to-json": "^3.1.2",
     "father": "^2.22.0",
     "immutability-helper": "^3.0.0",
+    "less": "^3.10.3",
+    "np": "^5.1.0",
     "prettier": "^1.11.1",
     "rc-animate": "^2.3.0",
     "rc-dropdown": "~2.0.1",