Add DOKKU_TRACE support to turn on command tracing
Add DOKKU_TRACE support to turn on command tracing

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