Added function to update PHP from 5.5 to 5.6 on Ubuntu
Added function to update PHP from 5.5 to 5.6 on Ubuntu

gdm/easyengine,liquidia/easyengine,skmezanul/easyengine,rtCamp/easyengine,harshadyeola/easyengine,Jurisdesk/freedoms,liquidia/easyengine,Jurisdesk/freedoms,liquidia/easyengine,EasyEngine/easyengine,harshadyeola/easyengine,rjdp/EE-dbmigrate,EasyEngine/easyengine,skmezanul/easyengine,rjdp/EE-dbmigrate,mehulsbhatt/easyengine,pjv/easyengine,harshadyeola/easyengine,gdm/easyengine,mehulsbhatt/easyengine,pjv/easyengine,pjv/easyengine,rtCamp/easyengine,rtCamp/easyengine,gdm/easyengine,skmezanul/easyengine,Jurisdesk/freedoms,rjdp/EE-dbmigrate,mehulsbhatt/easyengine