Update more links to HTTPS

Author: lurch

CONTRIBUTING.md

@@ -13,8 +13,8 @@ The licence must remain in all derivatives of this work.
 
 ## Licence
 
-[![Creative Commons Licence](http://i.creativecommons.org/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
+[![Creative Commons Licence](https://licensebuttons.net/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
 
-***Raspberry Pi Documentation*** by the [Raspberry Pi Foundation](http://www.raspberrypi.org) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
+***Raspberry Pi Documentation*** by the [Raspberry Pi Foundation](https://www.raspberrypi.org/) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
 
-Based on a work at [https://github.com/raspberrypi/documentation](https://github.com/raspberrypi/documentation).
+Based on a work at https://github.com/raspberrypi/documentation

LICENCE.md

@@ -2,8 +2,8 @@
 
 Unless otherwise specified, everything in this repository is covered by the following licence:
 
-[![Creative Commons Licence](http://i.creativecommons.org/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
+[![Creative Commons Licence](https://licensebuttons.net/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
 
-***Raspberry Pi Documentation*** by the [Raspberry Pi Foundation](http://www.raspberrypi.org) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
+***Raspberry Pi Documentation*** by the [Raspberry Pi Foundation](https://www.raspberrypi.org/) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
 
-Based on a work at [https://github.com/raspberrypi/documentation](https://github.com/raspberrypi/documentation).
+Based on a work at https://github.com/raspberrypi/documentation

usage/camera/README.md

@@ -8,7 +8,7 @@ The flex cable inserts into the connector situated between the Ethernet and HDMI
 
 Watch the following video to see a demonstration of the camera being connected:
 
-[![Camera connection screenshot](http://img.youtube.com/vi/GImeVqHQzsE/0.jpg)](http://www.youtube.com/watch?v=GImeVqHQzsE)
+[![Camera connection screenshot](https://img.youtube.com/vi/GImeVqHQzsE/0.jpg)](http://www.youtube.com/watch?v=GImeVqHQzsE)
 
 The camera may come with a small piece of translucent blue plastic film covering the lens. This is only present to protect the lens while it is being mailed to you, and needs to be removed by gently peeling it off.
 

usage/gpio-plus-and-raspi2/LICENCE.md

@@ -2,9 +2,9 @@
 
 Unless otherwise specified, everything in this repository is covered by the following licence:
 
-![Creative Commons License](http://i.creativecommons.org/l/by-sa/4.0/88x31.png)
+[![Creative Commons Licence](https://licensebuttons.net/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
 
-***GPIO*** by the [Raspberry Pi Foundation](http://raspberrypi.org) is licenced under a [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by-sa/4.0/).
+***GPIO*** by the [Raspberry Pi Foundation](https://www.raspberrypi.org/) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
 
 Based on a work at https://github.com/raspberrypi/documentation/tree/master/usage/gpio-plus-and-raspi2
 

usage/gpio/LICENCE.md

@@ -2,9 +2,9 @@
 
 Unless otherwise specified, everything in this repository is covered by the following licence:
 
-![Creative Commons License](http://i.creativecommons.org/l/by-sa/4.0/88x31.png)
+[![Creative Commons Licence](https://licensebuttons.net/l/by-sa/4.0/88x31.png)](http://creativecommons.org/licenses/by-sa/4.0/)
 
-***GPIO*** by the [Raspberry Pi Foundation](http://raspberrypi.org) is licenced under a [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by-sa/4.0/).
+***GPIO*** by the [Raspberry Pi Foundation](https://www.raspberrypi.org/) is licensed under a [Creative Commons Attribution 4.0 International Licence](http://creativecommons.org/licenses/by-sa/4.0/).
 
 Based on a work at https://github.com/raspberrypi/documentation/tree/master/usage/gpio