version number updates for release 0.60.9

version number updates for release 0.60.8

version number updates for release 0.60.7

version number updates for release 0.60.6

version number updates for release 0.60.5

version number updates for release 0.60.4

creating Cgl/releases/0.60.3 from Cgl/stable/0.60 (rev 1532)

creating Cgl/releases/0.60.2 from Cgl/stable/0.60 (rev 1478)

creating Cgl/releases/0.60.1 from Cgl/stable/0.60 (rev 1470)

creating Cgl/releases/0.60.0 from Cgl/stable/0.60 (rev 1453)