Use exact versions in package.json

Because some of the new ones caused issue when calling npm install.

package.json

@@ -33,35 +33,35 @@
     "season": "^5.0.2"
   },
   "devDependencies": {
-    "babel-cli": "^6.5.1",
-    "babel-eslint": "^5.0.0-beta10",
-    "babel-preset-es2015": "^6.5.0",
-    "babel-preset-stage-0": "^6.5.0",
-    "babel-register": "^6.5.2",
-    "chai": "^3.5.0",
-    "coffee-cache": "^0.2.0",
-    "coffee-script": "^1.7.0",
-    "coffeelint": "^1.14.2",
-    "debounce": "^1.0.0",
-    "devtool": "^1.9.1",
-    "electron-rebuild": "^1.1.3",
+    "babel-cli": "6.5.1",
+    "babel-eslint": "5.0.0-beta10",
+    "babel-preset-es2015": "6.5.0",
+    "babel-preset-stage-0": "6.5.0",
+    "babel-register": "6.5.2",
+    "chai": "3.5.0",
+    "coffee-cache": "0.2.0",
+    "coffee-script": "1.7.0",
+    "coffeelint": "1.14.2",
+    "debounce": "1.0.0",
+    "devtool": "1.9.1",
+    "electron-rebuild": "1.1.3",
     "eslint": "2.2.0",
-    "eslint-config-standard": "^5.1.0",
-    "eslint-plugin-promise": "^1.0.8",
-    "eslint-plugin-standard": "^1.3.1",
-    "grunt": "^0.4.1",
-    "grunt-atomdoc": "^1.0.0",
-    "grunt-cli": "^0.1.8",
-    "grunt-coffeelint": "^0.0.6",
-    "grunt-contrib-coffee": "^0.9.0",
-    "grunt-shell": "^0.2.2",
-    "jasmine-focused": "^1.0.4",
-    "lolex": "^1.4.0",
-    "mocha": "^2.4.5",
-    "rimraf": "^2.2.2",
-    "sinon": "^1.17.3",
-    "space-pencil": "^0.3.0",
-    "temp": "^0.8.3"
+    "eslint-config-standard": "5.1.0",
+    "eslint-plugin-promise": "1.0.8",
+    "eslint-plugin-standard": "1.3.1",
+    "grunt": "0.4.1",
+    "grunt-atomdoc": "1.0.0",
+    "grunt-cli": "0.1.8",
+    "grunt-coffeelint": "0.0.6",
+    "grunt-contrib-coffee": "0.9.0",
+    "grunt-shell": "0.2.2",
+    "jasmine-focused": "1.0.4",
+    "lolex": "1.4.0",
+    "mocha": "2.4.5",
+    "rimraf": "2.2.2",
+    "sinon": "1.17.3",
+    "space-pencil": "0.3.0",
+    "temp": "0.8.3"
   },
   "coffeelintConfig": {
     "no_empty_param_list": {