set the group on nova-specs to nova

this will let nova-specs reviews write reviews to nova blueprints

Change-Id: Ib416af9370b53ca63bcd674d5784fb19f198c3e8
add qa-specs to tempest group

this should let us update tempest blueprints via qa specs

Change-Id: I2187d8227849544db5b9da9b089b67c8fa465d76
Merge "set the group on nova-specs to nova"
Merge "add qa-specs to tempest group"