Update font patching documentation
Update font patching documentation

Update reference to where fontpatcher.py is located
DoctorJellyface/powerline,junix/powerline,xfumihiro/powerline,IvanAli/powerline,russellb/powerline,lukw00/powerline,xxxhycl2010/powerline,Liangjianghao/powerline,darac/powerline,prvnkumar/powerline,xxxhycl2010/powerline,s0undt3ch/powerline,blindFS/powerline,bezhermoso/powerline,Luffin/powerline,bezhermoso/powerline,magus424/powerline,cyrixhero/powerline,kenrachynski/powerline,s0undt3ch/powerline,lukw00/powerline,wfscheper/powerline,junix/powerline,magus424/powerline,firebitsbr/powerline,xfumihiro/powerline,kenrachynski/powerline,wfscheper/powerline,darac/powerline,S0lll0s/powerline,kenrachynski/powerline,bartvm/powerline,EricSB/powerline,dragon788/powerline,prvnkumar/powerline,Luffin/powerline,firebitsbr/powerline,QuLogic/powerline,EricSB/powerline,dragon788/powerline,bezhermoso/powerline,Luffin/powerline,IvanAli/powerline,Liangjianghao/powerline,wfscheper/powerline,cyrixhero/powerline,areteix/powerline,lukw00/powerline,DoctorJellyface/powerline,prvnkumar/powerline,cyrixhero/powerline,seanfisk/powerline,s0undt3ch/powerline,DoctorJellyface/powerline,S0lll0s/powerline,blindFS/powerline,russellb/powerline,QuLogic/powerline,areteix/powerline,IvanAli/powerline,QuLogic/powerline,blindFS/powerline,xxxhycl2010/powerline,xfumihiro/powerline,S0lll0s/powerline,magus424/powerline,russellb/powerline,bartvm/powerline,firebitsbr/powerline,seanfisk/powerline,dragon788/powerline,darac/powerline,Liangjianghao/powerline,EricSB/powerline,areteix/powerline,seanfisk/powerline,bartvm/powerline,junix/powerline