Update README.md
Refactor image_url method

* Stop passing `options` to the image_url method since `options` is an
instance method.

* Handle image urls that do not end in `photo.jpg`. In that case, the
original image is returned instead. A test case was added for this situation.
Lock down the omniauth-oauth2 gem version
Merge pull request #104 from guilhermesimoes/refactor

Lock down omniauth-oauth2 version and a little refactor
Rename userinfo.* deprecated scopes (fix #106)
Merge pull request #107 from jtomaszewski/hotfix/rename-scopes

Rename userinfo.* deprecated scopes (fix #106)
Convert specs to RSpec 2.14.8 syntax with Transpec

This conversion is done by Transpec 1.10.4 with the following command:
    transpec

* 1 conversion
    from: obj.stub(:message)
      to: allow(obj).to receive(:message)

* 1 conversion
    from: obj.should
      to: expect(obj).to
Swapped deprecated userinfo endpoint for new openIdConnect endpoint
Bumped version
Merge pull request #109 from petergoldstein/feature/run_transpec

Convert specs to RSpec 2.14.8 syntax with Transpec
Updated readme for new scopes
Slight readme update to reflect real response back from google
Added small Gemfile to examples
Fix for the issue with Google's image url

Temporary fix until Google fixes it on their side
Fix for the case when picture is not present
Added test for the double HTTPs in image url
Fixed typo in test
Merge pull request #113 from artemkolotilkin/patch-1

Fix for the issue with Google's image url
Bumped version
Update README.md

Changes example of behaviour so that users are not created if they don't exist. Comments out parts of example that show how to create users on the fly.