Renamed module name to google_search (custom_search)

Clean code.
Updated google custom search to handle quota limit and no query submit.
Updated encoding issues for input searches: like "void safe" and "void + safe".

examples/demo/site/modules/google_search/config/google_search - copia.json

@@ -0,0 +1,6 @@
+{
+    "gcse": {
+     		"cx":"015017565055626880074:9gdgp1fvt-g",
+     		"secret_key":"AIzaSyBKAXNofo-RqZb6kUmpbiCwPEy7n7-E51k"
+     }	
+}

examples/demo/site/modules/google_search/config/google_search.json

@@ -0,0 +1,6 @@
+{
+    "gcse": {
+     		"cx":"",
+     		"secret_key":""
+     }	
+}

examples/demo/site/modules/google_search/templates/block_search.tpl

@@ -0,0 +1,40 @@
+<section>
+  <header>
+    <h2>Results for <kbd>{$result.current_page.search_terms/}</kbd></h2>
+  </header>
+  
+  <!-- list of results -->
+  <ol start="{$result.current_page.start_index/}">
+  
+    <!-- Item result -->
+    {foreach from="$result.items" item="item"}
+    <li>
+      <article>
+        <header>
+          <h3>
+            <cite>
+              <a href="{$item.link/}">{$item.title/}</a>
+            </cite>
+          </h3>
+        </header>
+        <blockquote cite="{$item.link/}">
+          <p>{$item.html_snippet/}</p>
+          <footer>
+            <p><abbr title="Uniform Resource Locator">Source</abbr> <a href="{$item.link/}">{$item.display_link/}</a></p>
+          </footer>
+        </blockquote>
+      </article>
+    </li>
+    {/foreach} 
+
+    
+  </ol>  
+  <ul class="cms-page-links">
+      {if isset="$result.previous_page"}
+        <li><a href="{$site_url/}gcse/?q={$result.previous_page.search_terms/}&amp;start={$result.previous_page.start_index/}&amp;num={$result.previous_page.count/}">Previous</a></li>
+      {/if}
+      {if isset="$result.next_page"}
+        <li><a href="{$site_url/}gcse/?q={$result.next_page.search_terms/}&amp;start={$result.next_page.start_index/}&amp;num={$result.next_page.count/}">Next</a></li>
+      {/if}
+  </ul>
+</section>