pkg/util: update to new appc/spec
pkg/util: update to new appc/spec

blixtra/rkt,nhlfr/rkt,jonboulle/rkt,tmrts/rkt,linki/rkt,robszumski/rocket,kinvolk/rkt,markllama/rkt,jjlakis/rkt,wparad/rkt,joshix/rkt,tv42/rkt,il9ue/rkt,MattDees/rkt,lsm5/rkt,euank/rkt,mike1729/rkt,coreos/rkt,crawford/rkt,nhlfr/rkt,MabinGo/rkt,smarvin/rkt,lucasallan/rkt,bsmr-go/rkt,ramitsurana/rkt,lee212/rkt,alexhersh/rkt,chrisseto/rkt,klizhentas/rkt,tixxdz/rkt,lee212/rkt,crawford/rkt,linki/rkt,lucasallan/rkt,dgonyeo/rkt,ramitsurana05/rkt,tv42/rkt,MabinGo/rkt,eyakubovich/rkt,sgotti/rkt,jakon89/rkt,tv42/rkt,s-urbaniak/rkt,monstermunchkin/rkt,ramitsurana05/rkt,s-urbaniak/rkt,akshaykarle/rkt,yifan-gu/rocket,il9ue/rkt,jzelinskie/rkt,shobhit85/rkt,s-urbaniak/rkt,kinvolk/rkt,rhvgoyal/rkt,alban/rkt,Shashwatsh/rkt,intfrr/rkt,klizhentas/rkt,crawford/rkt,iaguis/rkt,luebken/rkt,markllama/rkt,maquanyi/rkt,sstabellini/rkt,kinvolk/rkt,kinvolk/rkt,lucasallan/rkt,maquanyi/rkt,mike1729/rkt,ramitsurana05/rkt,xnox/rkt,alban/rkt,bsmr-go/rkt,Wilybald/rkt,krnowak/rkt,xnox/rkt,mjg59/rkt,jasonchaffee/rkt,eyakubovich/rkt,Yhgenomics/rkt,akshaykarle/rkt,iankronquist/rkt,chrisseto/rkt,squaremo/rkt,sstabellini/rkt,il9ue/rkt,iankronquist/rkt,cab105/rkt,rkt/rkt,kbrwn/rkt,ChengTiesheng/rkt,yifan-gu/rocket,shtouff/rkt,lsm5/rkt,sgotti/rkt,ramitsurana/rkt,matthaias/rkt,coreos/rkt,tmrts/rkt,alban/rkt,tmrts/rkt,rkt/rkt,Shashwatsh/rkt,rkt/rkt,liugenping/rkt,MattDees/rkt,sstabellini/rkt,blixtra/rkt,fdserr/rkt,dalanlan/rkt,michelangelo13/rkt,kbrwn/rkt,mattthias/pkg-rkt,Wilybald/rkt,mjg59/rkt,liubq919/rkt,matthaias/rkt,jonboulle/rkt,iaguis/rkt,sgotti/rkt,jjlakis/rkt,squeed/rkt,jzelinskie/rkt,maquanyi/rkt,cab105/rkt,marineam/rkt,mike1729/rkt,yifan-gu/rkt,dalanlan/rkt,joshix/rkt,intfrr/rkt,ybubnov/rkt,squeed/rkt,mattthias/pkg-rkt,iaguis/rkt,rhvgoyal/rkt,dalanlan/rkt,alexhersh/rkt,kbrwn/rkt,linki/rkt,jakon89/rkt,euank/rkt,jakon89/rkt,intelsdi-x/rkt,krnowak/rkt,intelsdi-x/rkt,monstermunchkin/rkt,robszumski/rocket,wparad/rkt,tixxdz/rkt,akshaykarle/rkt,xnox/rkt,Yhgenomics/rkt,alexhersh/rkt,bsmr-go/rkt,monstermunchkin/rkt,jasonchaffee/rkt,endocode/rkt,wparad/rkt,marineam/rkt,eyakubovich/rkt,shtouff/rkt,rot26/rkt,markllama/rkt,cab105/rkt,clearlinux/rkt,achanda/rkt,joshix/rkt,chrisseto/rkt,michelangelo13/rkt,adfernandes/rkt,luebken/rkt,Wilybald/rkt,intelsdi-x/rkt,coreos/rkt,mjg59/rkt,klizhentas/rkt,shobhit85/rkt,achanda/rkt,luebken/rkt,liugenping/rkt,liugenping/rkt,achanda/rkt,jasonchaffee/rkt,ramitsurana/rkt,mattthias/pkg-rkt,ybubnov/rkt,ChengTiesheng/rkt,ybubnov/rkt,michelangelo13/rkt,fdserr/rkt,Yhgenomics/rkt,jzelinskie/rkt,iankronquist/rkt,liubq919/rkt,rot26/rkt,lsm5/rkt,sinfomicien/rkt,jjlakis/rkt,euank/rkt,MattDees/rkt,Wilybald/rkt,shtouff/rkt,blixtra/rkt,lucasallan/rkt,shobhit85/rkt,adfernandes/rkt,MabinGo/rkt,yifan-gu/rocket,rkt/rkt,adfernandes/rkt,rhvgoyal/rkt,dgonyeo/rkt,joshix/rkt,lee212/rkt,endocode/rkt,liubq919/rkt,fdserr/rkt,jonboulle/rkt,dgonyeo/rkt,smarvin/rkt,rot26/rkt,krnowak/rkt,yifan-gu/rkt,intfrr/rkt,endocode/rkt,tixxdz/rkt,squeed/rkt,squaremo/rkt,ChengTiesheng/rkt,clearlinux/rkt,clearlinux/rkt,marineam/rkt,nhlfr/rkt,matthaias/rkt,robszumski/rocket,yifan-gu/rkt,squaremo/rkt,sinfomicien/rkt,sinfomicien/rkt,Shashwatsh/rkt,smarvin/rkt