Just added vote model
Added positive vote that awards points
Added +10 and -5
Updated README
Added question value method
Did some cleanup
fixed score adjustment bug
Merge pull request #10 from vpfaulkner/master

Homework - VF
Converted tests to shoulda
Add users controller
Fixed code after merge from Vance
Cleaned up tests
Add wireframe PDF
Testing registration works
Added password helper for testing
Added login model
Added logins controller
Redirect home after login working
Added questions controller
Added answers controller