* Fixed the english in README.md and docs/debian.md
* Moved installation instructions from README.md to docs/install.md
* Reworked the rest of README.md
* Added a few comments to bkctld.conf
* Use logger command, no longer write directly to logfile
* Loglevel can be set in bkctld.conf
* Remove mail notification, cronjob do it when stdout/stderr