Update to the latest 3.x Opossum

[lholmquist]

and make sure all the examples work with the new version

[lance]

The new version now contains a fix that should ensure compatibility: nodeshift/opossum#341

[helio-frota]

Probably better to wait for nodeshift/opossum#350

[helio-frota]

jquery example updated #3

[helio-frota]

seneca example updated #4

[helio-frota]

react example fixed and working with opossum 3.0.0 #5

[helio-frota]

angular example fixed and working with opossum 3.0.0 #6

[helio-frota]

@lholmquist I think we can close it since we are going to deprecate hystrix.
Closing now we can reopen in case needed.