Added PHP 5.6 to travis-ci config
Added PHP 5.6 to travis-ci config

AxorB/elefant,Open343/elefant,evan70/elefant,R-J/elefant,jbroadway/elefant,R-J/elefant,twheel/elefant,jbroadway/elefant,twheel/elefant,jbroadway/elefant,evan70/elefant,AxorB/elefant,evan70/elefant,Open343/elefant,jbroadway/elefant,R-J/elefant,AxorB/elefant,Open343/elefant,twheel/elefant