docs(overview): update to new organization (#2405)

Author: Foxandxss

public/docs/ts/latest/guide/index.jade

@@ -31,36 +31,36 @@ table(width="100%")
       :marked
         The foundation for every page and sample in this documentation.
   tr(style=top)
-    td <b>Tutorial</b>
+    td <b>Guide</b>
     td
       :marked
-        A step-by-step, immersive approach to learning Angular that
-        introduces the major features of Angular in an application context.
+        The essential ingredients of Angular development.
   tr(style=top)
-    td <b>Basics</b>
+    td <b>API Reference</b>
     td
       :marked
-        The essential ingredients of Angular development.
+        Authoritative details about each member of the Angular libraries.
   tr(style=top)
-    td <b>Developer Guide</b>
+    td <b>Tutorial</b>
     td
       :marked
-        In-depth analysis of Angular features and development practices.
+        A step-by-step, immersive approach to learning Angular that
+        introduces the major features of Angular in an application context.
   tr(style=top)
-    td <b>Cookbook</b>
+    td <b>Advanced</b>
     td
       :marked
-        Recipes for specific application challenges, mostly code snippets with a minimum of exposition.
+        In-depth analysis of Angular features and development practices.
   tr(style=top)
-    td <b>API Reference</b>
+    td <b>Cookbook</b>
     td
       :marked
-        Authoritative details about each member of the Angular libraries.
+        Recipes for specific application challenges, mostly code snippets with a minimum of exposition.
 :marked
   # Learning path
   You don't have to read the guide straight through.  Most pages stand on their own.
 
-  For those new to Angular, the recommended learning path runs through the *Basics* section:
+  For those new to Angular, the recommended learning path runs through the *Guide* section:
 
   1. For the big picture, read the [Architecture](architecture.html) overview.