allow code to rescue and ignore Savon::Error's and still have mocks trigger test failures
moved failing spec for #389 to issue-389 branch
Merge branch 'master' of git://github.com/opower/savon into opower-master
handle soap faults with integration tests
use the "weirich convention" for blocks #430

http://onestepback.org/index.cgi/Tech/Ruby/BraceVsDoEnd.rdoc
changed ExpectationError to < StandardError #430
silenced log output in specs
updated the changelog for #430 [ci skip]
extracted #call_and_fail_gracefully spec helper