stop using nori via github
Revert "Merge branch 'master' of github.com:skorbut/savon into skorbut-master"

This reverts commit f2a1464ba5399b9703292189fdeaa86473997add, reversing
changes made to e2428e1dcd53d7b249d2e2bb52323f9592dd279f.

Conflicts:
	lib/savon/builder.rb
	spec/savon/builder_spec.rb
	spec/savon/options_spec.rb
Revert "stop using nori via github"

This reverts commit a7c0697c8878dbdbeab206f8928966fc3077ed02.