use npm audit instead of nsp

Author: rhysd

.gitignore

@@ -11,5 +11,4 @@ npm-debug.log
 /test/**/*.js
 /test/**/*.js.map
 !/test/main/node_modules/electron/index.js
-/package-lock.json
 /scripts/gemoji

.npmrc

@@ -159,8 +159,6 @@ end
 task :lint do
   npm_sh 'tslint --project browser/'
   npm_sh 'tslint --project renderer/'
-  # Set minimal CVSS score to 4 because of https://github.com/strongloop/fsevents/issues/198
-  npm_sh 'nsp check --cvss-filter 4'
 end
 
 task :clean do

Rakefile

@@ -1,5 +1,5 @@
 {
-  "name": "Shiba",
+  "name": "shiba",
   "dependencies": {
     "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "paper-drawer-panel": "PolymerElements/paper-drawer-panel#^1.0.0",