Changed links inside README.md to 'https://...' if possible

README.md

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 # LibreELEC
 
-LibreELEC is a 'Just enough OS' Linux distribution for running the award-winning [Kodi](http://kodi.tv) software on popular mediacentre hardware. LibreELEC is a conservative fork of the popular [OpenELEC](http://openelec.tv) project with a stronger focus on pre-release testing and post-release change management. Further information on the project can be found on the [LibreELEC website](https://libreelec.tv).
+LibreELEC is a 'Just enough OS' Linux distribution for running the award-winning [Kodi](https://kodi.tv) software on popular mediacentre hardware. LibreELEC is a conservative fork of the popular [OpenELEC](http://openelec.tv) project with a stronger focus on pre-release testing and post-release change management. Further information on the project can be found on the [LibreELEC website](https://libreelec.tv).
 
 **Issues & Support**
 
-Please report issues via the [LibreELEC forum: Bug Reports](http://forum.libreelec.tv/forum-35.html). Please ask support questions in the [LibreELEC forum: Help & Support](http://forum.libreelec.tv/forum-3.html) or ask a member of project staff in the #libreelec IRC channel on Freenode.
+Please report issues via the [LibreELEC forum: Bug Reports](https://forum.libreelec.tv/forum-35.html). Please ask support questions in the [LibreELEC forum: Help & Support](https://forum.libreelec.tv/forum-3.html) or ask a member of project staff in the #libreelec IRC channel on Freenode.
 
 **Donations**
 
 Contributions towards current project funding goals can be sent via PayPal to [email protected]
 
 **License**
 
-LibreELEC original code is released under [GPLv2](http://www.gnu.org/licenses/gpl-2.0.html).
+LibreELEC original code is released under [GPLv2](https://www.gnu.org/licenses/gpl-2.0.html).
 
 **Copyright**
 
-As LibreELEC includes code from many upstream projects it includes many copyright owners. LibreELEC makes NO claim of copyright on any upstream code. However all original LibreELEC authored code is copyright LibreELEC.tv. For a complete copyright list please checkout the source code to examine license headers. Unless expressly stated otherwise all code submitted to the LibreELEC project (in any form) is licensed under [GPLv2](http://www.gnu.org/licenses/gpl-2.0.html) and copyright is donated to LibreELEC.tv. This approach allows the project to stay manageable in the long term by giving us freedom to maintain the code as part of the whole without the management overhead of preserving contact with every submitter, e.g. GPLv3. You are absolutely free to retain copyright. To retain copyright simply add a copyright header to each submitted code page. If you submit code that is not your own work it is your responsibility to place a header stating the copyright.
+As LibreELEC includes code from many upstream projects it includes many copyright owners. LibreELEC makes NO claim of copyright on any upstream code. However all original LibreELEC authored code is copyright LibreELEC.tv. For a complete copyright list please checkout the source code to examine license headers. Unless expressly stated otherwise all code submitted to the LibreELEC project (in any form) is licensed under [GPLv2](https://www.gnu.org/licenses/gpl-2.0.html) and copyright is donated to LibreELEC.tv. This approach allows the project to stay manageable in the long term by giving us freedom to maintain the code as part of the whole without the management overhead of preserving contact with every submitter, e.g. GPLv3. You are absolutely free to retain copyright. To retain copyright simply add a copyright header to each submitted code page. If you submit code that is not your own work it is your responsibility to place a header stating the copyright.