Experimental ESXi Support

Added an experimental build ESXi MachineManager support.

Supports snapshots, power state, and networking.
status bug in esxi

status bug
Update modules/machinemanagers/vmware_esx.py
libvirt: find lost snapshot
libvirt: find most current snapshot
try to reconnect the first time is-running fails (vmware esxi machinemanager)
Merge pull request #1 from jbremer/patch-1

try to reconnect the first time is-running fails (vmware esxi machinemanager)
not enough freespace error message
added option to inject dll of choice
fixed comma
fixed os import
Style fix
Fixed tasks re-schedule
Fixed typo
Merge branch 'libvirt_currentSnapshot' of https://github.com/mak/cuckoo into mak-libvirt_currentSnapshot

Conflicts:
	lib/cuckoo/common/abstracts.py
Updated for MAEC v4.0.1
Fixes to merge #150
Merge pull request #158 from ikiril01/development

Update MAEC 4.0 Output for MAEC v4.0.1
check task_id value
sort virustotal result by engine