Remove have(n).items matchers

Those mastchers will be maintained by Hugo Barauna in a external
gem.
Merge pull request #306 from samphippen/cucumber-strict

Use the --strict flag on cucumber in script/test_all
Merge pull request #293 from hugobarauna/remove-have-n-items-matchers

Remove have(n).items matchers
Remove expect {}.not_to raise_error(SomeSpecificClass)

Signed-off-by: Sam Phippen <samphippen@googlemail.com>
Update cukes for removed raise_error(SomeSpecificClass) matcher.