Rename secureCreatives file and lint (prebid#1203)

* Rename secureCreatives file and lint

* Updated package script for linting

* Use 'gulp run-tests' in package script for testing

package.json

@@ -4,7 +4,8 @@
   "description": "Header Bidding Management Library",
   "main": "src/prebid.js",
   "scripts": {
-    "test": "gulp test && gulp mocha"
+    "test": "gulp run-tests",
+    "lint": "gulp lint"
   },
   "repository": {
     "type": "git",

src/prebid.js

@@ -1,12 +1,12 @@
 /** @module $$PREBID_GLOBAL$$ */
 
 import { getGlobal } from './prebidGlobal';
-import {flatten, uniques, isGptPubadsDefined, adUnitsFilter } from './utils';
+import { flatten, uniques, isGptPubadsDefined, adUnitsFilter } from './utils';
 import { videoAdUnit, hasNonVideoBidder } from './video';
 import 'polyfill';
-import {parse as parseURL, format as formatURL} from './url';
-import {isValidePriceConfig} from './cpmBucketManager';
-import {listenMessagesFromCreative} from './secure-creatives';
+import { parse as parseURL, format as formatURL } from './url';
+import { isValidePriceConfig } from './cpmBucketManager';
+import { listenMessagesFromCreative } from './secureCreatives';
 import { syncCookies } from 'src/cookie.js';
 import { loadScript } from './adloader';