Merge pull request #30 from susieye19/master

Format thanks page and enroll page
Add Google conversion and marketing code, reduce devise password length
Merge branch 'master' of github.com:alexyang21/learnrails
Move Google Analytics code into partial file
Add Female Founders Conference coupon
Test delete etsy demo
Add rest-client gem for MailGun
Set up email with MailGun
Change sender name to BaseRails
Switch from Vimeo to Wistia
Redesign homepage
Add courses page
Add course library
Add about us
Change about us page
Center tagline
Change banner
Format difference button
Test color and text
Clone dragon