Feature uwp nuget 2

• Nuget in x64 : done
• OpenGL interface : done
• Media Foundation solution : done
• Crash on VPX : done
• Update to master : done
• Build nuget from UWP and Win32 : done
• Test on applications (Linux, Mac, Windows, Windows10 x86, Windows10 UWP)
• Nuget Generation in CI (x86 with Windows Store enabled, and x64 in UWP mode)

Supprimées:

• BC/public/external/libjpeg-turbo!8 (closed)

Validées:

• BC/public/external/libvpx!2 (merged)
• BC/public/external/mbedtls!9 (closed)
• belle-sip!166 (merged)
• belr!28 (merged)
• BC/public/external/xerces-c!4 (merged)
• lime!54 (merged)
• mswinrtvid!12 (closed)

A Valider:

• bcmatroska2!12 (closed)
• BC/public/external/ffmpeg!5 (merged)
• bcunit!11 (merged)

Mise à jour (à revalider):

• mediastreamer2!355 (merged)
• liblinphone!1110 (merged)
• BC/public/external/decaf!14 (closed)
• BC/public/external/soci!13 (merged)
• linphone-cmake-builder!154 (merged)
• ortp!59 (merged)
• bctoolbox!92 (merged)
• mswasapi!15 (closed)