ensures compiled /source/stylesheets/screen.css exists before running watch and preview tasks, fixes #214
ensures compiled /source/stylesheets/screen.css exists before running watch and preview tasks, fixes #214

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