Add ability to delete the dbinbox account
Disable the delete account button client-side
Merge pull request #17 from jennings/delete-account

Allow deleting dbinbox account
updated gems
add signin/signout/signup buttons in top right on every page
modified login/delete on admin page to only authenticate once per session
actual automated tests should go in here
added number of files to upload log
fix bad link to admin page to close #20
make user agent optional in send_text
add bitcoin donation button
make compatible with ruby <1.8 hash syntax
allow GET in send_message
add textbooks please promotion
better footer layout
Update gems for heroku
Tweaks to work on PAAS providers like Heroku

- Use DATABASE_URL from the environment
- Log to STDOUT if ENV['LOG_TO_STDOUT'] is set
- Use Dropbox app settings from the environment if set
- Use large integers for storage quotas
Add Heroku deployment instructions