Merge pull request #5 from rightfold/Johan

Johan
Merge pull request #6 from rightfold/Johan

add some documentation
Add issues application and Issue model
Remove Django app
Add Cherrpy application
Add first database migration
Add note about database
Connect to database
Remove hello world page
Implement sign up
Return error if user already exists
Improve api.error
Add script to convert error consts into Java enum
Remove redundant code
Add login_tokens table
Add Error.java
Implement sign in
Add withCode method to api.Error
Respond with the correct Content-Type header
Fix style issue