Merge tag 'v2.0.1' into develop

Release 2.0.1
Update docs
Implement issue #374: display loaded configuration file in the help screen
Put the 'r' back because there is backslash in the docstring...
Improve Windows SNMP get
Add CPU for WIndows OS
MEMSWAP + CPU ok on Windows SNMP fallback mode
First try for ESXi
Side bar use more space in SNMP mode
Add control if no stats are available
Add support fro ESXi file system
Add the --snmp-force tag to the command line
Catch KeyError on Curses
Curses display do not use the ugly column/line var anymore
Clean column and line var from plugins
Add Logging class
Merge tag 'issue392' into develop

Correct issue 292
Report patch issue #293
Minimal logging messages
Update log message