Enhancement on VPLEX support

v0.5.6

[Enhancement] Convert size values in Storage Views tab

Support of VMAX arrays

Adding of VMAX module

With that module you can collect data on VMAX 2 and 3 arrays.

Support of EMC VPLEX and IBM SVC/FlashSystem arrays

Commit version 0.5.0

This version contains all as you need to collect data from EMC VPLEX and IBM SVC/FlashSystem equipments