added go get lumberjack to Dockerfile
added go get lumberjack to Dockerfile

jlrigau/bamboo,cubfan20/bamboo,pekermert/bamboo,gregory90/bamboo,Dataman-Cloud/bamboo,hyper-carrot/bamboo,bluepeppers/bamboo,bluepeppers/bamboo,jlrigau/bamboo,timoreimann/bamboo,boomfish/bamboo,pekermert/bamboo,Dataman-Cloud/bamboo,ankurcha/bamboo,fr34k8/bamboo,boomfish/bamboo,leonlee/bamboo,Dataman-Cloud/bamboo,ycaihua/bamboo,drewrobb/bamboo,bixiyan/bamboo,cubfan20/bamboo,cubfan20/bamboo,ycaihua/bamboo,hyper-carrot/bamboo,mce/bamboo,QubitProducts/bamboo,jensendw/bamboo,gregory90/bamboo,phongsakornp/bamboo,MiLk/bamboo,strava/bamboo,bsideup/bamboo,fr34k8/bamboo,MiLk/bamboo,mce/bamboo,mce/bamboo,ankurcha/bamboo,jlrigau/bamboo,utopiansociety/bamboo,leonlee/bamboo,utopiansociety/bamboo,utopiansociety/bamboo,MiLk/bamboo,fpgeek/bamboo,bsideup/bamboo,fpgeek/bamboo,Superordinate/bamboo_subdomain,hyper-carrot/bamboo,lavcraft/bamboo,strava/bamboo,Superordinate/bamboo_subdomain,boomfish/bamboo,fpgeek/bamboo,oyenet/bamboo,njuettner/bamboo,fr34k8/bamboo,QubitProducts/bamboo,stephenliang/bamboo,leonlee/bamboo,bsideup/bamboo,Superordinate/bamboo_subdomain,lavcraft/bamboo,Superordinate/bamboo_subdomain,bluepeppers/bamboo,timoreimann/bamboo,MiLk/bamboo,gregory90/bamboo,njuettner/bamboo,ycaihua/bamboo,stephenliang/bamboo,phongsakornp/bamboo,bluepeppers/bamboo,bixiyan/bamboo,pekermert/bamboo,drewrobb/bamboo,ankurcha/bamboo,utopiansociety/bamboo,jensendw/bamboo,timoreimann/bamboo,phongsakornp/bamboo,bixiyan/bamboo,phongsakornp/bamboo,bixiyan/bamboo,fpgeek/bamboo,QubitProducts/bamboo,QubitProducts/bamboo,leonlee/bamboo,jensendw/bamboo,lavcraft/bamboo,drewrobb/bamboo,chinanjjohn2012/bamboo,hyper-carrot/bamboo,chinanjjohn2012/bamboo,ankurcha/bamboo,drewrobb/bamboo,strava/bamboo,mce/bamboo,fr34k8/bamboo,cubfan20/bamboo,stephenliang/bamboo,oyenet/bamboo,ycaihua/bamboo,njuettner/bamboo,njuettner/bamboo,bsideup/bamboo,pekermert/bamboo,gregory90/bamboo,timoreimann/bamboo,Dataman-Cloud/bamboo,oyenet/bamboo,chinanjjohn2012/bamboo,jensendw/bamboo,oyenet/bamboo,jlrigau/bamboo,strava/bamboo,stephenliang/bamboo,chinanjjohn2012/bamboo,lavcraft/bamboo,boomfish/bamboo