NAFQA-51: fix magento setup via jumpstorm
NAFQA-51: fix installation via jumpstorm, extend documentation, satisfy phpunit dependencies
NAFQA-59: added DB-Logger to Checks
NAFQA-59: added additional lines for getting DB-Logger from Config
NAFQA-59: added Issue-Class
NAFQA-59: Refactoring Issue-Class
NAFQA-59: split functions for db-log and simple log
NAFQA-59: removed Class ExtensionFilter(not needed)
NAFQA-59: removed logger-comments, code style
changed config variable names for logger output settings
renamed AbstractLogger to BaseLogger
NAFQA-69 remove out-commented logger