stop firewall even after reboot
add logs when stoping machine
drop compatibility with 4.1 of VirtualBox
add Timeout support
bug fix about the error:
00:05:03.250000 SQW01 API return code: 0x80004005 (E_FAIL)
00:05:03.250000 SQW01 COM error info result code: 0x80004005
00:05:03.250000 SQW01 COM error info text: Cannot interpret
appliance without reading it first (call read() before interpret())
Merge branch 'master' of github.com:fastconnect/virtualbox-cloudify-driver