2.2 snapshot does not have the development binding, it has the snapshot binding. If you want the dev binding you have to install it manually:
That is pretty normal after a reboot: it takes some time until battery operated devices get initialized again. Either you wake them up or you have to wait until the wakeup time has passed (you can set the wakeup interval for most devices through HABmin.)
I guess you did not include them properly. Otherwise I have no idea anymore, I can only tell that the Danfoss I have worked fine with all openHAB and zwave versions since 1.7 (sorry)