add support for new recommended "context" scope

add be_a_new and expect_to_have_content snippets

Add expect to have_content snippet

Merge pull request #65 from stevenchanin/master

snippets for before(:all) and after(:all)

Release 2.0.4

Release 2.0.3

Merge pull request #59 from stevenchanin/master

make description match type of quotes used

Release 2.0.1

Release 2.0.0

Merge pull request #55 from robwise/typos

fix typos in README.md