- Add more MCS fixes to make sandbox working
    - Make faillog MLS trusted to make sudo_$1_t working
    - Allow sandbox_web_client_t to read passwd_file_t
    - Add .mailrc file context
    - Remove execheap from openoffice domain
    - Allow chrome_sandbox_nacl_t to read cpu_info
    - Allow virtd to relabel generic usb which is need if USB device
    - Fixes for virt.if interfaces to consider chr_file as image file type