2017.2.2

• Print correct release version number, 2017.2.1 release inadvertently reported 2017.2.0
• Improved memory allocation reservations outputting to VTK format
• Always sync gradients from GPU when outputting
• Fixed logic to detect lu-sgs
• Fix to allow P4 hexas
• Efficiency improvements to the BR2 diffusive flux scheme
• Wall functions corrected for HO solver