[ci skip] document build phase troubleshooting suggestions. closes #841. closes #911.
[ci skip] document build phase troubleshooting suggestions. closes #841. closes #911.

claytonbrown/dokku,AnselZhangGit/dokku,jazzzz/dokku,barseghyanartur/dokku,fmoliveira/dokku,mrluc/dokku,pmvieira/dokku,henrik/dokku,mrluc/dokku,Cactusbone/dokku,fmoliveira/dokku,vkurup/dokku,jimeh/dokku,ebeigarts/dokku,elia/dokku,claytonbrown/dokku,klodoo/dokku,codeconfab/dokku,hanwoody/dokku,cjblomqvist/dokku,vlipco/dokku,klodoo/dokku,ebeigarts/dokku,akatrevorjay/dokku,bkniffler/dokku,sseemayer/dokku,ebeigarts/dokku,biddyweb/dokku,omeid/dokku,arthurschreiber/dokku,basicer/dokku,rocLv/dokku,pmvieira/dokku,hanwoody/dokku,crisward/dokku,akatrevorjay/dokku,claytonbrown/dokku,Cactusbone/dokku,progrium/dokku,experimental-platform/dokku,pmvieira/dokku,3onyc/dokku,Git-Host/dokku,tilgovi/dokku,econya/dokku,rocLv/dokku,ertrzyiks/dokku,emdantrim/dokku,stepri/dokku,dokku/dokku,akatrevorjay/dokku,lmars/dokku,netbrick/dokku,AnselZhangGit/dokku,elia/dokku,bkniffler/dokku,emdantrim/dokku,cjblomqvist/dokku,vlipco/dokku,crisward/dokku,3onyc/dokku,bkniffler/dokku,henrik/dokku,barseghyanartur/dokku,jimjag/dokku,mouserage/dokku,suxor42/dokku,Fab-IT-ApS/dokku,mmerickel/dokku,suxor42/dokku,ertrzyiks/dokku,sebastianscatularo/dokku,jamesmarva/dokku,davidsiefert/dokku,hanwoody/dokku,lmars/dokku,alexquick/dokku,eljojo/dokku,gianpaj/dokku,ddreaml/dokku,TribeMedia/dokku,alexquick/dokku,jamesmarva/dokku,expa/dokku,pmvieira/dokku,sebastianscatularo/dokku,callahad/dokku,Fab-IT-ApS/dokku,kennetham/dokku,3onyc/dokku,biddyweb/dokku,ddreaml/dokku,klodoo/dokku,vlipco/dokku,expa/dokku,callahad/dokku,emdantrim/dokku,jazzzz/dokku,progrium/dokku,vijayviji/dokku,emdantrim/dokku,lmars/dokku,vijayviji/dokku,suxor42/dokku,lmars/dokku,progrium/dokku,sseemayer/dokku,vlipco/dokku,alessio/dokku,suxor42/dokku,Cactusbone/dokku,elia/dokku,alexquick/dokku,crisward/dokku,netbrick/dokku,suxor42/dokku,henrik/dokku,bobvanderlinden/dokku,codeconfab/dokku,lmars/dokku,experimental-platform/dokku,codeconfab/dokku,Git-Host/dokku,davidsiefert/dokku,alessio/dokku,TribeMedia/dokku,alexquick/dokku,bkniffler/dokku,emdantrim/dokku,davidsiefert/dokku,arsthanea/dokku,dokku/dokku,pmvieira/dokku,elia/dokku,Fab-IT-ApS/dokku,jamesmarva/dokku,jamesmarva/dokku,TribeMedia/dokku,fmoliveira/dokku,3onyc/dokku,claytonbrown/dokku,hanwoody/dokku,econya/dokku,TribeMedia/dokku,mouserage/dokku,progrium/dokku,arsthanea/dokku,experimental-platform/dokku,experimental-platform/dokku,dokku/dokku,stepri/dokku,ebeigarts/dokku,vijayviji/dokku,jazzzz/dokku,codeconfab/dokku,cjblomqvist/dokku,callahad/dokku,AnselZhangGit/dokku,expa/dokku,akatrevorjay/dokku,jimjag/dokku,gianpaj/dokku,suxor42/dokku,vkurup/dokku,basicer/dokku,AnselZhangGit/dokku,alessio/dokku,expa/dokku,3onyc/dokku,matto1990/dokku,fmoliveira/dokku,crisward/dokku,bobvanderlinden/dokku,jimjag/dokku,rocLv/dokku,ertrzyiks/dokku,Git-Host/dokku,ertrzyiks/dokku,progrium/dokku,eljojo/dokku,omeid/dokku,ddreaml/dokku,kennetham/dokku,klodoo/dokku,mmerickel/dokku,arthurschreiber/dokku,callahad/dokku,econya/dokku,mrluc/dokku,Cactusbone/dokku,johnfraney/dokku,tilgovi/dokku,emdantrim/dokku,stepri/dokku,basicer/dokku,henrik/dokku,pmvieira/dokku,hanwoody/dokku,jamesmarva/dokku,matto1990/dokku,sseemayer/dokku,henrik/dokku,arthurschreiber/dokku,econya/dokku,alessio/dokku,Git-Host/dokku,rocLv/dokku,bobvanderlinden/dokku,mrluc/dokku,alexquick/dokku,arsthanea/dokku,arthurschreiber/dokku,AnselZhangGit/dokku,mmerickel/dokku,henrik/dokku,mouserage/dokku,3onyc/dokku,mmerickel/dokku,jazzzz/dokku,ddreaml/dokku,AnselZhangGit/dokku,arsthanea/dokku,matto1990/dokku,arsthanea/dokku,eljojo/dokku,sseemayer/dokku,amaltson/dokku,barseghyanartur/dokku,amaltson/dokku,akatrevorjay/dokku,hanwoody/dokku,fruitl00p/dokku,Git-Host/dokku,crisward/dokku,henrik/dokku,elia/dokku,Cactusbone/dokku,alessio/dokku,codeconfab/dokku,akatrevorjay/dokku,arthurschreiber/dokku,Evlos/dokku,matto1990/dokku,alexquick/dokku,vkurup/dokku,econya/dokku,lmars/dokku,klodoo/dokku,tilgovi/dokku,sebastianscatularo/dokku,eljojo/dokku,vkurup/dokku,Cactusbone/dokku,Evlos/dokku,tilgovi/dokku,Fab-IT-ApS/dokku,mrluc/dokku,cjblomqvist/dokku,sebastianscatularo/dokku,jimeh/dokku,jazzzz/dokku,matto1990/dokku,omeid/dokku,bobvanderlinden/dokku,mmerickel/dokku,arsthanea/dokku,elia/dokku,sseemayer/dokku,u2mejc/dokku,omeid/dokku,cjblomqvist/dokku,amaltson/dokku,amaltson/dokku,biddyweb/dokku,TribeMedia/dokku,econya/dokku,kennetham/dokku,vlipco/dokku,ebeigarts/dokku,henrik/dokku,suxor42/dokku,mrluc/dokku,vijayviji/dokku,netbrick/dokku,rocLv/dokku,fmoliveira/dokku,mmerickel/dokku,mouserage/dokku,alessio/dokku,jazzzz/dokku,fruitl00p/dokku,mouserage/dokku,amaltson/dokku,bobvanderlinden/dokku,dokku/dokku,tilgovi/dokku,biddyweb/dokku,Fab-IT-ApS/dokku,claytonbrown/dokku,klodoo/dokku,akatrevorjay/dokku,fmoliveira/dokku,bobvanderlinden/dokku,omeid/dokku,gianpaj/dokku,eljojo/dokku,johnfraney/dokku,Evlos/dokku,jimeh/dokku,omeid/dokku,rocLv/dokku,TribeMedia/dokku,fruitl00p/dokku,jamesmarva/dokku,expa/dokku,paralin/crew,gianpaj/dokku,stepri/dokku,emdantrim/dokku,experimental-platform/dokku,johnfraney/dokku,mouserage/dokku,vijayviji/dokku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