GUACAMOLE-1207: Portuguese I18N. Add portuguese translation

Add translation files for the webapp and the following extensions:
  - guacamole-auth-cas
  - guacamole-auth-duo
  - guacamole-auth-jdbc
  - guacamole-auth-openid
  - guacamole-auth-quickconnect
  - guacamole-auth-saml
  - guacamole-auth-totp

extensions/guacamole-auth-openid/src/main/resources/guac-manifest.json

@@ -14,6 +14,7 @@
         "translations/de.json",
         "translations/en.json",
         "translations/ja.json",
+        "translations/pt.json",
         "translations/ru.json"
     ],
 

extensions/guacamole-auth-openid/src/main/resources/translations/pt.json

@@ -0,0 +1,12 @@
+{
+
+    "DATA_SOURCE_OPENID" : {
+        "NAME" : "OpenID SSO Backend"
+    },
+
+    "LOGIN" : {
+        "FIELD_HEADER_ID_TOKEN" : "",
+        "INFO_OID_REDIRECT_PENDING" : "Por favor aguarde, redirecionando ao provedor de indentidade..."
+    }
+
+}