Add string for http code 503 (openhab#490)

* Add string for http code 503

Signed-off-by: mueller-ma <[email protected]>

* Update strings.xml

* Update strings.xml

* Update strings.xml

Author: mueller-ma

mobile/src/main/res/values-de/strings.xml

@@ -123,6 +123,7 @@
     <string name="error_http_code_495">Ungültiges Client-Zertifikat (HTTP-Statuscode 495)</string>
     <string name="error_http_code_496">Client-Zertifikat wird gefordert (HTTP-Statuscode 496)</string>
     <string name="error_http_code_502">Ihr Reverse-Proxy bekam eine ungültige Antwort von openHAB (HTTP-Statuscode 502)</string>
+    <string name="error_http_code_503">openHAB steht temporär nicht zur Verfügung (HTTP-Statuscode 503)</string>
     <string name="error_http_code_504">Gateway Time-out. Ihr Reverse-Proxy läuft, aber bekam keine Antwort von openHAB (HTTP-Statuscode 504)</string>
     <string name="error_http_code_507">openHAB hat nicht genug freien Speicher (HTTP-Statuscode 507)</string>
     <string name="error_http_code_511">Netzwerkauthentifizierung wird gefordert (HTTP-Statuscode 511)</string>

mobile/src/main/res/values/strings.xml

@@ -79,6 +79,7 @@
     <string name="error_http_code_495">Invalid SSL client certificate (HTTP response code 495)</string>
     <string name="error_http_code_496">SSL client certificate is required (HTTP response code 496)</string>
     <string name="error_http_code_502">Your reverse proxy got an invalid answer from openHAB (HTTP response code 502)</string>
+    <string name="error_http_code_503">openHAB is temporarily unavailable (HTTP response code 503)</string>
     <string name="error_http_code_504">Gateway Time-out. Seems that your reverse proxy is running, but couldn\'t get an answer from openHAB (HTTP response code 504)</string>
     <string name="error_http_code_507">openHAB hasn\'t enough free space (HTTP response code 507)</string>
     <string name="error_http_code_511">Network authentication is required (HTTP response code 511)</string>