Relax image_optim dependency
Relax image_optim dependency

Make it depend on the last minor version, rather than revision.

Change-Id: Ief6540676eb1aad58ff45d6c2354f68bb8f9e88e
Reviewed-on: http://gerrit.causes.com/37008
Tested-by: jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@causes.com>
Reviewed-by: Shane da Silva <6f6e68d1df92f30cb4b3ce35260ddf94a402f33d@causes.com>

blech75/overcommit,oxocode/overcommit,oxocode/overcommit,TheSooth/overcommit,blech75/overcommit,gnagel/overcommit,gnagel/overcommit,TheSooth/overcommit