Make quotes in powerline-config --help same as in powerline --help
Make quotes in powerline-config --help same as in powerline --help

seanfisk/powerline,bartvm/powerline,Luffin/powerline,firebitsbr/powerline,firebitsbr/powerline,cyrixhero/powerline,Luffin/powerline,EricSB/powerline,EricSB/powerline,S0lll0s/powerline,kenrachynski/powerline,dragon788/powerline,s0undt3ch/powerline,QuLogic/powerline,seanfisk/powerline,bezhermoso/powerline,firebitsbr/powerline,kenrachynski/powerline,xxxhycl2010/powerline,prvnkumar/powerline,Liangjianghao/powerline,areteix/powerline,IvanAli/powerline,areteix/powerline,S0lll0s/powerline,xxxhycl2010/powerline,EricSB/powerline,DoctorJellyface/powerline,Luffin/powerline,prvnkumar/powerline,blindFS/powerline,russellb/powerline,areteix/powerline,xxxhycl2010/powerline,blindFS/powerline,Liangjianghao/powerline,russellb/powerline,DoctorJellyface/powerline,seanfisk/powerline,prvnkumar/powerline,junix/powerline,S0lll0s/powerline,dragon788/powerline,bartvm/powerline,s0undt3ch/powerline,darac/powerline,wfscheper/powerline,wfscheper/powerline,IvanAli/powerline,cyrixhero/powerline,lukw00/powerline,wfscheper/powerline,QuLogic/powerline,bartvm/powerline,junix/powerline,xfumihiro/powerline,junix/powerline,darac/powerline,bezhermoso/powerline,DoctorJellyface/powerline,dragon788/powerline,lukw00/powerline,xfumihiro/powerline,kenrachynski/powerline,xfumihiro/powerline,darac/powerline,bezhermoso/powerline,blindFS/powerline,cyrixhero/powerline,Liangjianghao/powerline,IvanAli/powerline,s0undt3ch/powerline,russellb/powerline,lukw00/powerline,QuLogic/powerline