added ability to configure database to perform backups on
updated README
Remove deprecated railtie_name.
Merge pull request #11 from kjohnston/remove-railtie-name

Remove deprecated railtie_name
changed to using ENV[PGBACKUPS_DATABASE_URL] for the database url to backup
Merge pull request #9 from kbaum/configure_backup_database

Configure backup database
Add @kbaum to contributors list.
Convert test suite to thincloud-test (minitest).
Merge pull request #12 from kjohnston/convert-test-suite

Convert test suite to thincloud-test (minitest)
Update gem dependencies.
Merge pull request #13 from kjohnston/update-gems

Update gem dependencies
Bump version to v0.1.0.