FM-2022 Add SLES 12 to metadata
README cosmetics
MODULES-1572 - Fix logic broken from MODULES-1309

Accidentally changed some behavior and broke things with the fix for
MODULES-1309
Merge pull request #441 from mhaskel/MODULES-1572

MODULES-1572 - Fix logic broken from MODULES-1309
Merge pull request #437 from alexjurkiewicz/master

README cosmetics
Merge pull request #434 from cyberious/master

FM-2022 Add SLES 12 to metadata