update URLs zu HTTPS

Raspberry-Pi-Image/readme.md

@@ -1,4 +1,4 @@
-### **Raspberry Pi Image** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](http://es-lab.de:60080/tmueller/Xcom-API/wiki)
+### **Raspberry Pi Image** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](https://es-lab.de:60080/tmueller/Xcom-API/wiki)
 Here you can find an image of the Raspberry Pi SD-Card, which i have used for testing. The COM-Port and GPIO setup in this image is already finished and ready to use.
 
 On the Wiki Page you can find informations about: "How to copy the image to a SD-Card" and about "How to setup the COM-Port and GPIOs" on your own Raspberry-Distribution.

Xcom-Test-Loop-Program/readme.md

@@ -1,4 +1,4 @@
-### **Xcom-Test-Loop-Program** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](http://es-lab.de:60080/tmueller/Xcom-API/wiki)
+### **Xcom-Test-Loop-Program** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](https://es-lab.de:60080/tmueller/Xcom-API/wiki)
 This program demonstrate the functionality of the Xcom_API-class. It sends permanently a request for a known object_id and display the answer from the Xtender-System. To use this program a Raspberry Pi with a Raspicomm extender module and a RS232-bridge called Xcom-232i is required.
 
 More information about the hardware-setup and the usage of the program you can find on the Wiki-Page.

Xcom-Test-Program/readme.md

@@ -1,4 +1,4 @@
-### **Xcom Test Program** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](http://es-lab.de:60080/tmueller/Xcom-API/wiki)
+### **Xcom Test Program** [![]( https://img.shields.io/badge/documentation-wiki-yellow.svg?style=plastic)](https://es-lab.de:60080/tmueller/Xcom-API/wiki)
 This program demonstrate the functionality of the Xcom_API-class. To use this program a Raspberry Pi with a Raspicomm extender module and a RS232-bridge called Xcom-232i is required. 
 
 More information about the hardware-setup and the usage of the program you can find on the Wiki-Page.