changed logo link to home page (#174)
changed logo link to home page (#174)

BhaveshSGupta/FreeCodeCamp,jonathanihm/freeCodeCamp,FreeCodeCamp/FreeCodeCamp,raisedadead/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,HKuz/FreeCodeCamp,jonathanihm/freeCodeCamp,pahosler/freecodecamp,pahosler/freecodecamp,BhaveshSGupta/FreeCodeCamp,raisedadead/FreeCodeCamp,otavioarc/freeCodeCamp,FreeCodeCamp/FreeCodeCamp,HKuz/FreeCodeCamp,otavioarc/freeCodeCamp