added possibility to have a notice displayed on the upload form

.gitignore

@@ -1 +1,2 @@
 test.php
+notice.txt

templates/main.html

@@ -37,6 +37,10 @@
             <div class="row">
                 <div class="col-md-8">
                     <a href="/"><img src="/css/imgs/logo/horizontal3.png" /></a>
+                    <?php 
+                        if(file_exists(ROOT.DS.'notice.txt'))
+                            echo '<div class="alert alert-warning" role="alert">'.file_get_contents(ROOT.DS.'notice.txt').'</div>';
+                    ?>
                     <div class="well">
                         <div id="uploadinfo"></div>
                         <p>