Updated liblinphone to log warning or error if no active/available network found + keep mobile DNS servers at the end of the list if not the default network on Android

Liblinphone: Add a function to create a Content from a file path.

Fix a crash on mkv when stream cannot be duplicate.

    - remove useless rc files
    - clean memory leak in secure message test
    - remove useless usage of fixed filepath for zrtp db

Fix a crash where a csrc change is reported in a video stream but the attached conference no longer exists. Rework a bit.

Fix a crash due to a race condition in conference server. Add logs to troubleshoot inactive streams issue.

Prevent the SDK from entering an infinite loop when trying to resume a call from an transitory state

The LIME X3DH encryption engine will always prefer the lime server set in the account parameters over the one in the core
If LIME X3DH is enabled, the lime Linphone specification will always be set regardless if the lime configuration (server URL, database) is valid

Temporarely comment out "LIME X3DH session corrupted"·

Fix issue with mkv file player and video quality adaptation, causing video player to be replaced by camera by accident.

Remove SDL checks on OpenLDAP (Windows).
Activate OpenLDAP for UWP.
Rename x64 into Win64 for Windows x64 compressed package.