Change templates to use www.postgresql.org/search/ for search boxes

This makes search results render properly in the new website framwework.
Also fixes the URL for search in interactive docs, without requiring
double-indexing.

Fixes #100 and #112

templates/base/base.html

@@ -19,7 +19,7 @@
     <span class="txtOffScreen"><a href="#pgContentWrap" title="Skip section navigation" accesskey="2">Skip section navigation</a> (2)</span>
     <div id="pgHeaderContainer">
      <div id="pgSearch">
-      <form method="get" action="http://search.postgresql.org/search">
+      <form method="get" action="/search/">
        <div>
         <h2 class="pgBlockHide"><label for="q">Search</label></h2>
         <input id="q" name="q" type="text" size="20" maxlength="255" onfocus="if( this.value==this.defaultValue ) this.value='';" value="Search" accesskey="s" /><input name="a" type="hidden" value="1"/><input id="submit" name="submit" type="submit" value="Search" />

templates/docs/docspage.html

@@ -19,9 +19,9 @@
 <div id="docContainer">
 <div id="docNavSearchContainer">
 <div id="docSearch">
-	<form action="http://search.postgresql.org/search" method="get">
+	<form action="/search/" method="get">
 	<div>
-	<input type="hidden" name="u" value="/docs/{{doc_nav_version}}/{{doc_type}}/" /> 
+	<input type="hidden" name="u" value="/docs/{{doc_nav_version}}/">
 	<label for="q">Search Documentation:&nbsp;</label><input type="text" id="q" name="q" size="20" onfocus="if( this.value==this.defaultValue ) this.value='';" value="Search" /><input id="submit" type="submit" value="Search" />
 	</div>
 	</form>