bump version into v1.12

bump release version to v1.11

bump release version to v1.10 (intel#734)

bump release version to v1.9 (intel#628)

bump release version to v1.8.1

bump release version to v1.8

(cherry picked from commit c19b290)

Document update

bump release version to v1.7

bump release version to v1.6

bump release version to v1.5.1