added schema image
added gitignore for image folder
wireframe for user profile page
Merge pull request #1 from opleban/danielle

Danielle
Merge pull request #2 from opleban/Ori

Matt and Danielle merging initial css
Merge pull request #3 from opleban/Ori

adds new stylings
adds login, logout, and signup as well as authentication
changes ruby to 2.0.0
resolves merge conflict
Merge pull request #4 from opleban/Matt

Matt
fixes merge issues with authentication, removes extra views including 'Hello Twitter' index