Merge pull request #6 from LeadDyno/master

bump omniauth-oauth2 dependency to 1.1.1 to pull in oauth2 0.9.x
Include license
fix a URL validation bug
1.1.2 release
Use https, not http for oauth
Take advantage of OmniAuth's failure handling.
Merge pull request #11 from Shopify/failure-endpoint

Take advantage of OmniAuth's auth failure handling
1.1.3 release.
change http to https during setup phase
Merge pull request #12 from Shopify/change-http-to-https

change http to https during setup phase
Update README.md
Provide a configurable myshopify domain.
Fix failing spec for default callback.
Test for custom port on myshopify_domain.
Merge pull request #13 from Shopify/configurable-domain

Provide a configurable myshopify domain.
bumping version to 1.1.4
Merge pull request #15 from Shopify/v_bump

bumping version to 1.1.4
forgot to bundle install after bumping version
Merge pull request #16 from Shopify/v_bump

Forgot to bundle install after bumping version
Remove Gemfile.lock.