API: relax the check for the version attribute in OVF/OVA appliances (bug #15856)
Windows hosts: fixed crashes when terminating the VM selector or other VBox COM clients (bug #15726 and others)
Linux Installer: fixed path to the documentation in .rpm packages (5.1.0 regression)
Linux Installer: fixed the vboxdrv.sh script to prevent an SELinux complaint (bug #15816)
Linux hosts: don't use 32-bit legacy capabilities
Linux Additions: Linux 4.8 fix for the kernel display driver (bugs #15890 and #15896)
Linux Additions: don't load the kernel modules provided by the Linux distribution but load the kernel modules from the official Guest Additions package instead (bug #15324)
Linux Additions: fix dynamic resizing problems in recent Linux guests (bug #15875)
User Manual: fixed error in the VBoxManage chapter for the getextradata enumerate example (bug #15862)