'should' and 'should not' are added by rspec, this change removes the repetition that occurs e.g.

'should not should'

and

'should should'
Update README.md with instructions on using rspec-puppet-augeas with Travis
Update Gemfile, add Gemfile.local support
Pin rspec-puppet to < 1.0.0 temporarily, refs issue #9
Fix typo
Fix tests to match 48457e97ef
Merge pull request #8