Fixed crontab and logging bug in docker

Fix keys stats bug + force php-redis version

Fixed crontab and logging bug in docker

Update README.md

Added docker instructions

Dockerfile added

Merge pull request sasanrose#69 from joturako/master

add basic auth with configurable username and password

Created dist config file as defualt config file

Some PSR-0, PSR-1 and PSR-2 applied