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
Renamed metadata report
Merge branch 'development' of github.com:cuckoobox/cuckoo into development
when analyzing a url, only hook ntdll and kernel32 functions
added getcursorpos hook and updated dll for hook limitation
forgot to apply some older changes from mark, this is the dll up to commit d5a06b
Revert "Going for yes/no"

This reverts commit 5c4660eaaaa83cf5d68b03c51111b309ce310ae8.
Quotes fix
added option to inject dll of choice
fixed comma
Updated CHANGELOG
fixed os import
add cleanup_value function to make code in behavior.py prettier