docs(api): updates for alpha-27 (plus a few interim additions pre-28)

Author: naomiblack

public/docs/js/latest/api/annotations/Ancestor-class.jade

@@ -3,6 +3,7 @@
   h2 Ancestor <span class="type">variable</span>
   p.location-badge.
     exported from <a href='../annotations'>angular2/annotations</a>
+    defined in <a href="https://github.com/angular/angular/tree/3a0410a/modules/angular2/src/core/annotations/decorators.ts#L52-L52">angular2/src/core/annotations/decorators.ts (line 52)</a>
 
   :markdown
 

public/docs/js/latest/api/annotations/Ancestor-var.jade

@@ -3,6 +3,7 @@
   h2 Attribute <span class="type">variable</span>
   p.location-badge.
     exported from <a href='../annotations'>angular2/annotations</a>
+    defined in <a href="https://github.com/angular/angular/tree/3a0410a/modules/angular2/src/core/annotations/decorators.ts#L56-L56">angular2/src/core/annotations/decorators.ts (line 56)</a>
 
   :markdown
 

public/docs/js/latest/api/annotations/Attribute-class.jade

@@ -3,8 +3,10 @@
   h2 Component <span class="type">variable</span>
   p.location-badge.
     exported from <a href='../annotations'>angular2/annotations</a>
+    defined in <a href="https://github.com/angular/angular/tree/3a0410a/modules/angular2/src/core/annotations/decorators.ts#L43-L43">angular2/src/core/annotations/decorators.ts (line 43)</a>
 
   :markdown
 
 
+