Adding comment and moving index.ts for tasks to gulpfile.ts. It was confusing

Author: hansl

gulpfile.js

@@ -1,7 +1,12 @@
 'use strict';
-const path = require('path');
+/**
+ * Load the TypeScript compiler, then load the TypeScript gulpfile which simply loads all
+ * the tasks. The tasks are really inside tools/gulp/tasks.
+ */
 
+const path = require('path');
 
+// Register TS compilation.
 require('ts-node').register({
   project: path.join(__dirname, 'tools/gulp')
 });

tools/gulp/gulpfile.ts

@@ -1 +1,10 @@
-import './tasks';
+import './tasks/ci';
+import './tasks/clean';
+import './tasks/components';
+import './tasks/default';
+import './tasks/development';
+import './tasks/e2e';
+import './tasks/lint';
+import './tasks/release';
+import './tasks/serve';
+import './tasks/spec';