Added some tests for prompt model.

Cleaned up some code for readability.
Added a users show erb for potential user profile page
Re-pasted config files to see if there were any syntax errors preventing me from running spec
Added tests for prompt model.

At around 86% coverage.
Will need to test the calculate_hotness method within the model for full coverage.
May need to refactor the tests for cleanliness and less dependancy on methods
Merge pull request #49 from eddiekimosabe/prompt_model_spec

Prompt model spec
Added design doc
Fix broken links
Require faker in gemfile
Fixed gemfile for heroku
merge conflict resolved