Merge "update banner to 2.1 and remove yellow" into mnc-mr-docs

docs/html/develop/index.jd

@@ -9,7 +9,7 @@ tabbedList=1
 excludeFromSuggestions=true
 @jd:body
 
-<section class="dac-expand dac-hero dac-section-light" style="background:#FFE57F">
+<section class="dac-expand dac-hero dac-section-light">
   <div class="wrap">
     <div class="cols dac-hero-content">
       <div class="col-1of2 col-push-1of2 dac-hero-figure">
@@ -26,7 +26,7 @@ excludeFromSuggestions=true
       <div class="col-1of2 col-pull-1of2">
         <h1 class="dac-hero-title">
             <a style="color:inherit" href="{@docRoot}sdk/index.html">
-            Android Studio 2.0,<br>now available!</a></h1>
+            Android Studio 2.1,<br>now available!</a></h1>
         <p class="dac-hero-description">
         The latest version of Android Studio is the biggest update yet.
         It includes new features like <strong>Instant Run</strong>, which