VirtualBox 4.1.24.82872

# The following items were fixed and/or added:
- VMM: adapted to changes in Mac OS X 10.8.2
- VMM: page fusion fixes
- GUI: disable proxy authentication for security reasons
- VRDP: fixed occasional crash during a video playback in the guest
- NAT: fixed a memory leak when disabling the NAT engine
- NAT: fixed a crash under rare circumstances (Windows hosts only)
- Virtio-net: fixed the problem with network statistics counters in Session Information dialog (GUI)
- Storage: fixed a hang during VM reset under certain circumstances
- Storage: fixed hang under rare circumstances
- Storage: fixed hang in case of unaligned requests and async I/O enabled
- Storage: fixed hang with newer VHD images
- VGA: fix for double scan text modes
- VBoxManage: fixed a memory leak when executing and waiting for a guest process
- VBoxManage: fixed converting disks from raw images
- BIOS: certain legacy guests (e.g. Windows 95) didn’t find the boot device after a warm reboot
- BIOS: don’t trash the palette in text modes when setting the border color
- USB: fixed invalid pending request count at the time of service of DEVICE POWER requests (Windows hosts only)
- OVF: fixed importing OVF files cerated by recent VMware products
- Linux hosts / guests: Linux 3.7-rc1 fixes
- Linux Additions: support X.Org Server 1.13
- Linux Additions: fixed a hang when the X server was restarted with old guest kernels
- Linux Additions: fixed a VBoxService crash during CPU hot remove
- Windows Additions: fixed Guest screen automatic resize issue for NT4
- Windows Additions: fixed auto-logon installation for Windows 8
- Windows Additions: fixed Guest Additions startup on Windows 2000 guests
- Windows Additions: don’t fail if the shared folders host service is not available