allow to set tool extensions specified by vendor

Change-Id: Ibbdbd539fa23054ac7f4311afa93cc9e18c845b5
namelessify

Change-Id: I90c9f62e09bb122a060423e5ee7f609204b280a4
roomservice: namelessify

Change-Id: I7fe271da3f4a249a84011f6663753504f007d654
roomservice: default to n-2.0

Change-Id: If990f4ed7533144f44fdea2ba13d23302ca804b7