! Set the install to 5.2 from 5.1.2

Signed-off-by: Spuds <spuds@spudsdesign.com>
! couple of functions that were 5.2 only, no need to check now

Signed-off-by: Spuds <spuds@spudsdesign.com>
! and those are part of core date/time

Signed-off-by: Spuds <spuds@spudsdesign.com>
! update the rev in the docs

Signed-off-by: Spuds <spuds@spudsdesign.com>
Merge pull request #1392 from Spuds/5.2

5.2