make heroku adjustments
add test for response when visit index page
add question#create spec test for invalid attributes
add happy and sad path for questions controller create method
add tests for questions#show and questions#update
add questions#create spec test for vote up function
add validations to question and comment models. tests pass
add feature tests for happy and sad path of posting a question on index page
Update README.md
resolve merge conflicts
Merge pull request #16 from gopher-snakes-2013/questions-controller-tests

Questions controller tests
Merge pull request #17 from gopher-snakes-2013/feature-test-post-questions

Feature test post questions
Merge pull request #8 from gopher-snakes-2013/heroku-deploy

make heroku adjustments
resolve merge conflicts with master