Bump version to 1.6.9 [#155113971]

Bump version to 1.6.8 [#154708169]

Signed-off-by: Dave Goddard <dave@goddard.id.au>

Bump version to 1.6.7 [#154314280]

Bump version to 1.6.6 [#153731130]

Bump version to 1.6.5 [#153543387]

Bump version to 1.6.4 [#153320331]

Bump version to 1.6.3 [#153158080]

Signed-off-by: Sam Coward <scoward@pivotal.io>

Bump version to 1.6.2 [#152581829]

Bump version to 1.6.1 [#151980031]

Signed-off-by: Victoria Henry <vhenry@pivotal.io>

Bump version to 1.6.0 [#151587586]