feat(plugins): Allow plugins to be given inline within options hash

lib/async.js

@@ -266,7 +266,7 @@ module.exports = {
             try {
                 bs.registerPlugin(require(name), opts);
             } catch (e) {
-                bs.logger.error("NOPE");
+                bs.logger.setOnce("useLevelPrefixes", true).error("Plugin {yellow:`%s`} was not found, did you forget to {cyan:npm install} it?", name);
             }
         }
 

test/specs/plugins/user.plugins.error.js

@@ -0,0 +1,29 @@
+"use strict";
+
+var browserSync = require("../../../");
+
+var assert  = require("chai").assert;
+
+describe("Plugins: Retrieving user plugins when given inline with errors", function () {
+
+    var instance;
+
+    before(function (done) {
+
+        browserSync.reset();
+
+        var config = {
+            logLevel: "error",
+            plugins: ["some-rnadomw-name-that-does-not-exist"]
+        };
+
+        instance = browserSync(config, done).instance;
+    });
+    after(function () {
+        instance.cleanup();
+    });
+    it("Should give good errors when a plugin does not exist", function (done) {
+        assert.equal(instance.getUserPlugins().length, 0);
+        done();
+    });
+});

test/specs/plugins/user.plugins.inline.options.js

@@ -13,12 +13,6 @@ describe("Plugins: Retrieving user plugins when given inline with options", func
 
         browserSync.reset();
 
-        var plugin = {
-            "bs-html-injector": {
-                files: "*.html"
-            }
-        };
-
         var config = {
             logLevel: "silent",
             plugins: [