[Dev Deps] update babel-eslint, coveralls, mocha

Author: ljharb

package.json

@@ -28,11 +28,11 @@
     "jsx-ast-utils": "^1.3.4"
   },
   "devDependencies": {
-    "babel-eslint": "7.2.3",
-    "coveralls": "2.13.1",
+    "babel-eslint": "^7.2.3",
+    "coveralls": "^2.13.1",
     "eslint": "^3.0.0",
     "istanbul": "0.4.5",
-    "mocha": "3.3.0"
+    "mocha": "^3.3.0"
   },
   "peerDependencies": {
     "eslint": "^3.0.0"