copy source from NSB main repo

as at
https://github.com/Particular/NServiceBus/commit/b5d1f5271ae87ad24d3aa48f12291a77e7d829c2
add missing nuspec
fix ripple references
fix solution naming
fix project reference
add missing reference
include packages
dont use nuget to distribute ripple restore
update ripple
Fixed references

Fixed nuspec
Updated ripple.config
Fixed up copy local
Fixed nuspec again!
Fixed folder casing
Updated ripple
update ripple
update ripple
update ripple
Fixed the lower bound for the nsb deps
move backoff from core