Added Pony configuration for Sendgrid
Limited pony config to production and test
Configured environment for email spec
Updated Gemfile for specs
Updated specs to test contact page's support emailing
Updated spec_helper to require gems for testing
Modified gitignore to ignore Capybara open_and_save .html
Merge pull request #12 from Devbootcamp/sendgrid_pony_config

Added Pony configuration for Sendgrid