convenience for transforming a sensor to the same sensor (on a different entity)
Merge branch 'master' of github.com:brooklyncentral/brooklyn
more ibm tweaks - fabric collect sensor correctly and geodns not needing full refresh so often
promote CloudMachineNamer so other cloud locations (eg IBM, Ravello) can use it,
including recent GCE tweak
Merge pull request #932 from ahgittin/misc

make CloudMachineNamer available more widely