Merge pull request #48 from tabascoeye/master

new feature (config option) allowDebt true/false
Sort config file
Add flattrbutton. :>
Change style of config file
Merge pull request #50 from schinken/config

Change style of config file
Fix indention
Merge pull request #53 from schinken/indention

Fix indention
Use expressive function from winston; Be consistent with quotes
Merge pull request #55 from schinken/error-handling

Use expressive function from winston; Be consistent with quotes
Fix error handling, remove exception throwing
Missed one error check
Merge pull request #56 from schinken/error-handling

Fix error handling, remove exception throwing
Merge pull request #2 from silsha/master

merge back upstream changes