more consistency in template names

lib/AccessCheck/App/SendChallenge.pm

@@ -124,8 +124,8 @@ sub run {
     };
     my $text_content;
     my $html_content;
-    $tt2->process('send_authentication_token.tt2.txt',  $data, \$text_content);
-    $tt2->process('send_authentication_token.tt2.html', $data, \$html_content);
+    $tt2->process('send_challenge.txt.tt2',  $data, \$text_content);
+    $tt2->process('send_challenge.html.tt2', $data, \$html_content);
 
     my $message = Email::MIME->create(
         header_str => [

templates/Makefile.am

@@ -12,8 +12,8 @@ nobase_apptemplates_DATA = \
 	accounts/student2.tt2 \
 	accounts/teacher1.tt2 \
 	accounts/teacher2.tt2 \
-	mail/send_authentication_token.tt2.txt \
-	mail/send_authentication_token.tt2.html \
+	mail/send_challenge.txt.tt2 \
+	mail/send_challenge.html.tt2 \
 	other/accounts.csv.tt2 \
 	other/accounts.php.tt2 \
 	web/edugain/errors.html.tt2 \