Submit button added to POST form

Added Submit button to generated POST form to allow manual submit
in case user has JS disabled

Author: tpazderka

src/saml2/pack.py

@@ -53,6 +53,7 @@
 FORM_SPEC = """<form method="post" action="%s">
    <input type="hidden" name="%s" value="%s" />
    <input type="hidden" name="RelayState" value="%s" />
+   <input type="submit" value="Submit" />
 </form>"""