Merge pull request #8 from FourByFour/patrick

Update Mongoose schema. Complete show and destroy routes.
Merge pull request #9 from FourByFour/patrick

Add Procfile for heroku deployment.
implement update and create RESTful routes for tasks
Merge branch 'master' of https://github.com/FourByFour/checklist-api into albert
Merge pull request #10 from FourByFour/albert

All RESTful routes
modify create route so new tasks default to status:false
Merge pull request #11 from FourByFour/albert

modify create route so new tasks default to status:false
Add comments for clarity.