testing applicationhelper
testing articles helper
added cfa code climate badge
secret token no longer tracked in version control
removed old secret token line
Merge remote-tracking branch 'cfa/master' into feature/helper_tests_clean
use rspec matchers to test articles helper html
stubbing env vars in app helper spec
Update ruby 1.9.3 patch level to 547
helper tests pass
removed unused helpers that make db queries
removed unused call to db-accessing helper
removed typo from .env.sample
Merge pull request #27 from 18F/feature/update_ruby_1.9.3_patchlevel_to_547

Update ruby 1.9.3 patch level to 547
Merge pull request #29 from adelevie/feature/add_cfa_code_climate

added cfa code climate badge
Merge pull request #26 from adelevie/feature/helper_tests_clean

Helper tests (clean)
Merge pull request #32 from adelevie/feature/cfa_fix_secret_token

secret token no longer tracked in version control
added travis badge for cfa
upgrade to safer nokogiri
upgrade to safer rails patch (> 3.2.17)