Adding SLF4J logger
Adding SLF4J logger

simple logging integration

lo1tuma/galen,tommywo/galen,stefanbirkner/galen,stefanbirkner/galen,tommywo/galen,stefanbirkner/galen,thr0w/galen,thhiep/galen,Drooids/galen,lo1tuma/galen,lo1tuma/galen,tommywo/galen,Drooids/galen,thhiep/galen,thr0w/galen,Drooids/galen,thr0w/galen,Drooids/galen,thhiep/galen,lo1tuma/galen,stefanbirkner/galen,tommywo/galen,thr0w/galen,thhiep/galen