VirtualBox 4.3.2 Build 90405

What's new in this version:

- VMM: fixed restoring of the auxiliary TSC MSR in VT-x that caused host BSODs on Windows 8.1 hosts and unpredictable behavior on other hosts
- VMM: provide fake values for a couple of MSRs to make more guests happy on certain hosts
- VMM: fixed detection of VT-x on certain machines where the BIOS would not set the VMX LOCK feature bit, which affected the VM settings in the GUI
- VMM: fixed TPR threshold which caused BSODs on Windows XP guests that use the I/O APIC (VT-x only)
- VMM: fixed PATM saved state incompatibility for software virtualized VMs
- VMM: don’t fail if AMD-V isn’t available if the VM is configured to use software virtualization
- GUI: fixed guest resize breakage on visual representation mode change (when switching from normal to fullscreen etc)
- GUI: make sure the guest screen is resized after restoring a VM from a saved state if the host screen size changed
- Webcam passthrough improvements including GUI support
- Guest Control: implemented more IGuestSession methods
- Guest Control: added support for deleting and renaming guest files + directories in VBox-Manage
- Guest Control: various bugfixes
- API: incorrect handling of hardware UUID default value, resulting in an all zero
- DMI/SMBIOS UUID, which leads to Windows requesting re-activation (4.3 regression)
- 3D support: miscellaneous fixes
- Storage: fixed detection of CD/DVD media when switching from an empty to a host drive with passthrough enabled
- Storage: fixed hang of the VM process when the disk is full under certain circumstances
- NAT: listen for changes of NAT Network setting at runtime
- NAT: NAT Network DHCP server now saves leases to a persistent storage
- Main: monitor changes in host DNS configuration
- Windows Additions/3D: fix Google Earth plugin rendering
- Windows Additions/WDDM: autoresize fixes