update .gitignore
change .fixtures.yml to use https:// instead of git://
add `:require => false` to all Gemfile gems
remove README section on stdlib

This section has not be relevant since commit
e1962ecd9dc93278121523e3d6d35e740af172ca.
add boilerplate Versioning/See Also sections to README
update copyright notice year (-2014)
bump version to v1.2.0
Merge pull request #2 from jhoblitt/feature/v1.2.0

Feature/v1.2.0