Internationalization Checking & Fixes

* Fixes missing i18n translation in main plugin file.
* Adds update POT file.
* Enforces i18n checks on commit with GrumPHP.
* Adds i18n check step to Travis CI builds.

grumphp.yml.dist

@@ -24,6 +24,9 @@ parameters:
     git_commit_message:
       allow_empty_message: false
       enforce_capitalized_subject: true
+    grunt:
+      task: checktextdomain
+      triggered_by: [php]
     phpcs:
       standard: './phpcs.xml.dist'
       report: 'summary'

languages/openid-connect-generic.pot

@@ -5,7 +5,7 @@ msgstr ""
 "Project-Id-Version: OpenID Connect Generic 3.7.1\n"
 "Report-Msgid-Bugs-To: "
 "https://github.com/daggerhart/openid-connect-generic/issues\n"
-"POT-Creation-Date: 2020-08-29 04:05:46+00:00\n"
+"POT-Creation-Date: 2020-08-29 04:30:04+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -475,6 +475,10 @@ msgstr ""
 msgid "Log information about login attempts through OpenID Connect Generic."
 msgstr ""
 
+#: openid-connect-generic.php:200
+msgid "Private site"
+msgstr ""
+
 #. Plugin Name of the plugin/theme
 msgid "OpenID Connect Generic"
 msgstr ""

openid-connect-generic.php

@@ -197,7 +197,7 @@ class OpenID_Connect_Generic {
 	 */
 	function enforce_privacy_feeds( $content ) {
 		if ( $this->settings->enforce_privacy && ! is_user_logged_in() ) {
-			$content = 'Private site';
+			$content = __( 'Private site', 'daggerhart-openid-connect-generic' );
 		}
 		return $content;
 	}