Added new status to trigger the 'rej. reason' element.
Merge pull request #13 from kubaszczotka/master

small updates on request
Changed replace with assign to allow the surf forward if user click accidentally backspace.
Added celery to requirements.
Merge branch 'master' of github.com:MattBlack85/dunning-cruncher
Insrted blank row.
Prepared project to use celery.
Added 2 more variables to POST request.
Added language option for mail subject.
Added EN for German market.
Dictionary MAILSUBJECT added for mail subject.
Merge pull request #2 from kubaszczotka/frohe

Frohe