Merge pull request #52 from sils1297/wip/allkindsofstuff

Wip/allkindsofstuff
Merge pull request #54 from sils1297/wip/allkindsofstuff

Wip/allkindsofstuff
Merge pull request #55 from sils1297/wip/settings

Wip/settings
Merge pull request #56 from sils1297/wip/lasse_do_not_touch

StringConverter: Make value public
README: Add more information
Update README.md
i18n: Update translators template
Merge branch 'cleanup' of https://github.com/sils1297/coala into cleanup
printers: Add ColorPrinter interface
PrinterTest: Test also ColorPrinter
Move LOG_LEVEL to output package
Printers: Refactor a bit