Allow `oc adm release info` to output digest, name, or pull spec
Allow `oc adm release info` to output digest, name, or pull spec

Useful for scripting and automation.

* `-o digest`: outputs the digest, if set, of any images
* `-o pullspec`: outputs the pullspec of referenced images
* `-o name`: outputs the name of the tag of a referenced image

spadgett/origin,enj/origin,spadgett/origin,gabemontero/origin,ingvagabund/origin,nak3/origin,sdminonne/origin,dinhxuanvu/origin,bparees/origin,gabemontero/origin,pecameron/origin,ironcladlou/origin,Miciah/origin,sallyom/origin,ingvagabund/origin,pweil-/origin,anpingli/origin,coreydaley/origin,sallyom/origin,sallyom/origin,mfojtik/origin,enj/origin,jim-minter/origin,mfojtik/origin,coreydaley/origin,bparees/origin,anpingli/origin,JacobTanenbaum/origin,sdminonne/origin,jim-minter/origin,hroyrh/origin,dinhxuanvu/origin,pweil-/origin,sjug/origin,deads2k/origin,xiuwang/origin,mkumatag/origin,spadgett/origin,bparees/origin,spadgett/origin,jeremyeder/origin,enj/origin,jeremyeder/origin,sdminonne/origin,soltysh/origin,mahak/origin,tnozicka/origin,anpingli/origin,csrwng/origin,akram/origin,akram/origin,jeremyeder/origin,pecameron/origin,openshift/origin,ironcladlou/origin,jeremyeder/origin,mkumatag/origin,dinhxuanvu/origin,tnozicka/origin,JacobTanenbaum/origin,deads2k/origin,jim-minter/origin,hroyrh/origin,csrwng/origin,Miciah/origin,ironcladlou/origin,spadgett/origin,ingvagabund/origin,mahak/origin,Miciah/origin,jsafrane/origin,sjug/origin,JacobTanenbaum/origin,mfojtik/origin,jeremyeder/origin,openshift/origin,pweil-/origin,akram/origin,csrwng/origin,mahak/origin,nak3/origin,openshift/origin,tnozicka/origin,coreydaley/origin,mkumatag/origin,pecameron/origin,deads2k/origin,sjug/origin,xiuwang/origin,xiuwang/origin,soltysh/origin,tnozicka/origin,soltysh/origin,gabemontero/origin,dinhxuanvu/origin,jsafrane/origin,tnozicka/origin,nak3/origin,tnozicka/origin,jsafrane/origin,hroyrh/origin,dinhxuanvu/origin