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
Removed questions_tags table; modified vote.rb
Merge with clinton's version
Fixed schema
Pull
Additional clean up
Initial commit after merge; completed users controller and logins controller and related tests
Basic logins tests