Make the cursor become a drag handle when hovering over draggable files.

Signed-off-by: Nigel McNie <nigel@catalyst.net.nz>

htdocs/artefact/file/theme/raw/static/style/style.css

@@ -114,3 +114,6 @@ form#files .filelist td {
 	color: #C3C3C3;
 }
 
+.icon-drag {
+    cursor: move;
+}