Clarify the gem name in the README

* When I first used this gem, I assumed the name was 'fastly-ruby'
Remove gem group specification
Merge pull request #32 from adarsh/ap-update-docs

Clarify the gem name in the README
add script to create a domain
use ARGV not @ARGV
fix typo in documentation
Merge pull request #33 from fastly/add-create-domain-script

Add create domain script
Bump version to 1.1.3
add v1.1.3 to HISTORY.md
fix usage comments in create_domain script

one line was still using fastly_upload_vcl
whitespace
require api key for purging by surrogate key

* adds require_api_key option
Merge pull request #38 from fastly/require-key

Require key
bump to v1.1.4
add v1.1.4 to HISTORY
fix typo in HISTORY
Fix style issues within main lib dir
Fix test style issues
Fix style issues in fastly_upload_vcl
Re-add Fastly::TestCase