Update Ruby version to 2.1.1
Delete tests created by Rails generators
Write feature test for requesting an invitation
Write routing test for GET /requesting_an_invitation
Add route for /requesting_an_invitation, but test not passing

- Need shoulda-matchers gem
Add shoulda-matchers gem, which also makes a routing test pass
Fix typo in feature test
Add faker gem
Write failing test: RequestingAnInvitationController GET /new sets @invitation
Write RequestingAnInvitationController code, and now need an Invitation model

- RequestingAnInvitationController GET /new sets @invitation
Write Invitation model test to validate email presence
Create Invitation model & migration
Make Invitation model tests pass
Add view for requesting an invitation, which makes controller test pass
Refactor JavaScript slideshow on front page
Create HTML mock up for requesting an invitation
Convert requesting an invitation form from HTML to Ruby
Refactor feature test for requesting an invitaiton
Refactor home page link so it links to requesting an invitation form
Add routing test for POST /requesting_an_invitation