Rejig the PaswordNagBar

- Change the nag bar to read "To return to your account in future you need to set a password"
 - Underline "Set a password"
 - Make the whole thing clickable

src/skins/vector/css/vector-web/views/globals/_MatrixToolbar.scss

@@ -39,6 +39,10 @@ limitations under the License.
     cursor: pointer;
 }
 
+.mx_MatrixToolbar_clickable {
+    cursor: pointer;
+}
+
 .mx_MatrixToolbar_close {
     cursor: pointer;
 }