use string to set disqus_shortname
use string to set disqus_shortname

in oder to prevent errors like "{{ site.disqus }} is not defined"
madki/blog,alanWongsGithub/aw.github.io,sammyd/jasper-blog-theme,silviurosu/silviurosu.github.io,zburgermeiszter/blog.burgermeiszter.com,madki/blog,zampolli75/introduction_to_IS_website,Draveness/draveness-blog,tgalexandre/tgalexandre.github.io,alanWongsGithub/aw.github.io,finers/finers.github.io,absullivan/jasper,WebDevFromScratch/WebDevFromScratch.github.io,biomadeira/jasper,biomadeira/jasper,zampolli75/introduction_to_IS_website,zampolli75/introduction_to_IS_website,absullivan/absullivan.github.io,studomonly/iamstu,Draveness/draveness-blog,WebDevFromScratch/WebDevFromScratch.github.io,absullivan/absullivan.github.io,absullivan/jasper,mocovenwitch/monster,biomadeira/jasper,silviurosu/silviurosu.github.io,zburgermeiszter/blog.burgermeiszter.com,esden/paparazzi-frontpage,Poi-Son/jasper,GersonLazaro/gersonlazaro.github.io,studomonly/iamstu,WebDevFromScratch/WebDevFromScratch.github.io,tgalexandre/tgalexandre.github.io,absullivan/absullivan.github.io,sammyd/jasper-blog-theme,absullivan/andrewcleansvt,pjya0321/pjya0321.github.io,tgalexandre/tgalexandre.github.io,GersonLazaro/gersonlazaro.github.io,mocovenwitch/monster,studomonly/iamstu,absullivan/jasper,alanWongsGithub/aw.github.io,madki/blog,absullivan/andrewcleansvt,dipolediamond/learningbpm,absullivan/andrewcleansvt,Draveness/draveness-blog,Poi-Son/jasper,Poi-Son/jasper,silviurosu/silviurosu.github.io,esden/paparazzi-frontpage,pjya0321/pjya0321.github.io,cuzv/cuzv.github.io,finers/finers.github.io,zburgermeiszter/blog.burgermeiszter.com,cuzv/cuzv.github.io,cuzv/cuzv.github.io,dipolediamond/learningbpm,mocovenwitch/monster,pjya0321/pjya0321.github.io,dipolediamond/learningbpm,dipolediamond/learningbpm,esden/paparazzi-frontpage,sammyd/jasper-blog-theme,finers/finers.github.io