Make dividers unicode
Make dividers unicode

Fixes travis problem with old vim
xfumihiro/powerline,firebitsbr/powerline,blindFS/powerline,seanfisk/powerline,bezhermoso/powerline,dragon788/powerline,Liangjianghao/powerline,magus424/powerline,russellb/powerline,EricSB/powerline,QuLogic/powerline,kenrachynski/powerline,darac/powerline,wfscheper/powerline,s0undt3ch/powerline,russellb/powerline,bartvm/powerline,IvanAli/powerline,EricSB/powerline,areteix/powerline,darac/powerline,xxxhycl2010/powerline,DoctorJellyface/powerline,blindFS/powerline,S0lll0s/powerline,S0lll0s/powerline,IvanAli/powerline,prvnkumar/powerline,firebitsbr/powerline,firebitsbr/powerline,EricSB/powerline,seanfisk/powerline,bezhermoso/powerline,junix/powerline,seanfisk/powerline,lukw00/powerline,s0undt3ch/powerline,junix/powerline,dragon788/powerline,wfscheper/powerline,bartvm/powerline,kenrachynski/powerline,cyrixhero/powerline,kenrachynski/powerline,lukw00/powerline,russellb/powerline,s0undt3ch/powerline,darac/powerline,magus424/powerline,xfumihiro/powerline,areteix/powerline,junix/powerline,IvanAli/powerline,QuLogic/powerline,magus424/powerline,cyrixhero/powerline,cyrixhero/powerline,bezhermoso/powerline,Luffin/powerline,prvnkumar/powerline,dragon788/powerline,Liangjianghao/powerline,xfumihiro/powerline,wfscheper/powerline,blindFS/powerline,xxxhycl2010/powerline,bartvm/powerline,lukw00/powerline,DoctorJellyface/powerline,areteix/powerline,Luffin/powerline,QuLogic/powerline,Luffin/powerline,Liangjianghao/powerline,DoctorJellyface/powerline,xxxhycl2010/powerline,prvnkumar/powerline,S0lll0s/powerline