Tagging 6.7.0-dp-3.

Tagging 6.6.2-rc-3.

Disable building for PPC

Tagging 6.6.2-rc-1.

Tagging 6.6.1-gm-1.

Fix some missed break iterator releases

Tagging 6.7.0-dp-1.

Tagging 6.6.1-rc-1.

Tagging 6.6.0.

Fix some docs entries