Add support using github backtick code blocks without supplying a language
Add support using github backtick code blocks without supplying a language

dhpollack/resume,dinomite/octopress,evolved/evolved.github.io,ToJans/tojans.me.dev,jedcn/jedcn.com,teracyhq/blog,BWieber/bwieber.github.io,siddhartha-gadgil/LogicTypesSpaces,bigdatatools/doxecute-landing-page,splodingsocks/splodingsocks.github.io,jlestebanez/jlestebanez.com,padurean/padurean.github.io,fcrepo4-archive/fedora4lib,kubawalinski/mihcall.github.io,orangeiceberg/icebergist.com,alanflorendo/alanflorendo,Watson1978/MacRuby-DoJo,evidal/www.eric-vidal.com,siddhartha-gadgil/BasicAnalysisCourse,felipecsl/oslimaviajando.com.br,rbarros/rbarros.github.io,orangeiceberg/icebergist.com,wbthomason/robotclass,aprende-git/blog,siddhartha-gadgil/LogicTypesSpaces,tjvantoll/tjvantoll.github.com,Granada-pm/granada-pm-sources,jlestebanez/jlestebanez.com,betarelease/betarelease.github.com,dinomite/octopress,bradurani/fractalbanana-src,aokon/home_page,eswdd/eswdd.github.io,rderoldan1/octopress,alastairs/bobthebuilder-website,SeanMarcia/seanmarcia.github.com,kipyegonmark/kipyegonmarkblog,Granada-pm/granada-pm-sources,linpengxuan/blog_backup,aweijnitz/mildly-interesting.info,dianw/dianw.github.io,siddhartha-gadgil/LogicTypesSpaces,alanflorendo/alanflorendo,takus/takus.github.com,evolved/evolved.github.io,linpengxuan/blog_backup,hoavt/blog,alanflorendo/alanflorendo,aokon/home_page,dhpollack/resume,jeromeetienne/learningthreejs.com-backup,yishuiliunian/yishuiliunian.github.io,Watson1978/MacRuby-DoJo,nantescargobike/nantescargobike.github.io,kipyegonmark/kipyegonmarkblog,evidal/www.eric-vidal.com,sagitarchie/sagitarchie.github.io,SciRuby/sciruby.com,nedzen/nedzen,bigdatatools/doxecute-landing-page,ToJans/tojans.me.dev,RayHightower/rocksolar,splodingsocks/splodingsocks.github.io,dhpollack/resume,mihcall/mihcall.github.io,user512/octopress-blog-testing,SeanMarcia/seanmarcia.github.com,nantescargobike/nantescargobike.github.io,siddhartha-gadgil/AlgebraicTopology,orangeiceberg/icebergist.com,siddhartha-gadgil/AlgebraicTopology,Granada-pm/granada-pm-sources,alastairs/bobthebuilder-website,nedzen/src.mariusnedelcu.com,tjvantoll/tjvantoll.github.com,murphyrandle/murphyrandle.github.io,siddhartha-gadgil/BasicAnalysisCourse,voxmatt/mattmartin,felipecsl/oslimaviajando.com.br,bradurani/fractalbanana-src,nedzen/src.mariusnedelcu.com,tjvantoll/tjvantoll.github.com,fcrepo4-archive/fedora4lib,jedcn/jedcn.com,MrZoidberg/merkulov.me,siddhartha-gadgil/AlgebraicTopology,nedzen/nedzen,rishma/rishma.github.io,takus/takus.github.com,hoavt/blog,paykin/blog,rmulligan/rybot,hoavt/blog,dinomite/octopress,lukekarrys/lukecod.es,shiftkey/blog,lexuszhi1990/lexuszhi1990.github.io,tjvantoll/tjvantoll.github.com,nedzen/nedzen,rbarros/rbarros.github.io,shiftkey/blog,nedzen/nedzen,rishma/rishma.github.io,user512/octopress-blog-testing,mihcall/mihcall.github.io,rbarros/rbarros.github.io,padurean/padurean.github.io,nedzen/src.mariusnedelcu.com,OsgiliathEnterprise/projects.documentations,tjvantoll/www.tjvantoll.com,voxmatt/mattmartin,siddhartha-gadgil/BasicAnalysisCourse,teze/teze.github.io.dbyll,RayHightower/rocksolar,linpengxuan/blog_backup,bradurani/fractalbanana-src,OsgiliathEnterprise/projects.documentations,jedcn/jedcn.com,teracyhq/blog,MrZoidberg/merkulov.me,kipyegonmark/kipyegonmarkblog,user512/octopress-blog-testing,shiftkey/blog,rishiip/rishiip.github.io,BWieber/bwieber.github.io,eswdd/eswdd.github.io,kubawalinski/mihcall.github.io,splodingsocks/splodingsocks.github.io,annacruz/anna-cruz.com,BWieber/bwieber.github.io,betarelease/betarelease.github.com,happytcj/happytcj.github.io,jeromeetienne/learningthreejs.com-backup,rderoldan1/octopress,felipecsl/oslimaviajando.com.br,hoatle/teracy-blog,teracyhq/blog,SciRuby/sciruby.com,featureenvy/featureenvy.github.com,eswdd/eswdd.github.io,nedzen/src.mariusnedelcu.com,murphyrandle/murphyrandle.github.io,murphyrandle/murphyrandle.github.io,evidal/www.eric-vidal.com,OsgiliathEnterprise/projects.documentations,takus/takus.github.com,thm-design/tonymeyer,thm-design/tonymeyer,hoatle/teracy-blog,rbarros/rbarros.github.io,wbthomason/robotclass,sagitarchie/sagitarchie.github.io,siddhartha-gadgil/LogicTypesSpaces,dianw/dianw.github.io,aweijnitz/mildly-interesting.info,tjvantoll/www.tjvantoll.com,tjvantoll/www.tjvantoll.com,jeromeetienne/learningthreejs.com-backup,rishma/rishma.github.io,rishiip/rishiip.github.io,tjvantoll/www.tjvantoll.com,sagitarchie/sagitarchie.github.io,jeromeetienne/learningthreejs.com-backup,annacruz/anna-cruz.com,paykin/blog,lexuszhi1990/lexuszhi1990.github.io,hoatle/teracy-blog,RayHightower/rocksolar,aweijnitz/mildly-interesting.info,SciRuby/sciruby.com,dinomite/octopress,nantescargobike/nantescargobike.github.io,yishuiliunian/yishuiliunian.github.io,SeanMarcia/seanmarcia.github.com,lexuszhi1990/lexuszhi1990.github.io,evidal/www.eric-vidal.com,betarelease/betarelease.github.com,aprende-git/blog,rmulligan/rybot,aweijnitz/mildly-interesting.info