The 3PAR driver now recommends 3.1.3 firmware

The 3PAR driver now recommends/requires 3.1.3 firmware to ensure that
all tested driver capabilities are available.

Closes-Bug: #1283180
Change-Id: I4d1bcc801bb9cd58d73a9e6a9ca213cfd40db49d
Merge "The 3PAR driver now recommends 3.1.3 firmware"