v0.14.2

• Fix in mavlink_passthrough: reset intercepting messages (#664).
• Fix in mission: use correct callback for download timeout (#665).
• Fix: don't remove pending timeouts on disconnect (#666).
• Fix race condition in mission service (#668).
• Fix in camera: wrong comparison was returning a timeout when setting camera parameters (#670).
• Fix crash in CMake when version number is unexpected (#671).
• Add Dockerfile to build an alpine-based backend image (#673).