added a download button

Author: Gaurav SinghaRoy

app/views/query/_sparql_query_editor.html.erb

@@ -12,7 +12,10 @@
 	<div class="panel-footer">
 	    <div class="row">
 	        <div class="col-md-9">
-	            <button  type="button" class="btn btn-lg btn-success" onclick="execute_sparql_query()"><span class="glyphicon glyphicon-play"></span>&nbsp;Run</button>
+	        	<div class="btn-group">
+		            <button  type="button" class="btn btn-lg btn-success" onclick="execute_sparql_query()">&nbsp;&nbsp;&nbsp;&nbsp;<span class="glyphicon glyphicon-play"></span>&nbsp;&nbsp;&nbsp;&nbsp;</button>
+		            <button  type="button" class="btn btn-lg btn-warning" onclick="show_sparql_download_modal()">&nbsp;&nbsp;&nbsp;&nbsp;<span class="glyphicon glyphicon-floppy-save"></span>&nbsp;&nbsp;&nbsp;&nbsp;</button>
+	        	</div>
 	        </div>
 	        <%if mode == "sparql"%>
 		        <div class="col-md-3">