Add wsk action get to CLI docs (#3464)
Add wsk action get to CLI docs (#3464)

* Add wsk action get to CLI docs

* Reorganize URL fetching and saving action code around action get section

* Add --url caveat regarding web actions

rabbah/openwhisk,dubeejw/openwhisk,rabbah/openwhisk,cbickel/openwhisk,dubeejw/openwhisk,csantanapr/incubator-openwhisk,RSulzmann/openwhisk,csantanapr/incubator-openwhisk,style95/openwhisk,sven-lange-last/openwhisk,cbickel/openwhisk,cbickel/openwhisk,markusthoemmes/openwhisk,openwhisk/openwhisk,sven-lange-last/openwhisk,openwhisk/openwhisk,houshengbo/openwhisk,style95/openwhisk,houshengbo/openwhisk,sven-lange-last/openwhisk,houshengbo/openwhisk,jeremiaswerner/openwhisk,cbickel/openwhisk,jasonpet/openwhisk,markusthoemmes/openwhisk,cbickel/openwhisk,jeremiaswerner/openwhisk,dubeejw/openwhisk,sven-lange-last/openwhisk,starpit/openwhisk,RSulzmann/openwhisk,csantanapr/incubator-openwhisk,houshengbo/openwhisk,akrabat/openwhisk,markusthoemmes/openwhisk,openwhisk/openwhisk,rabbah/openwhisk,starpit/openwhisk,dubeejw/openwhisk,akrabat/openwhisk,akrabat/openwhisk,akrabat/openwhisk,jasonpet/openwhisk,dubeejw/openwhisk,markusthoemmes/openwhisk,jasonpet/openwhisk,jasonpet/openwhisk,houshengbo/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,markusthoemmes/openwhisk,houshengbo/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,csantanapr/incubator-openwhisk,csantanapr/incubator-openwhisk,markusthoemmes/openwhisk,style95/openwhisk,openwhisk/openwhisk,jasonpet/openwhisk,jasonpet/openwhisk,markusthoemmes/openwhisk,akrabat/openwhisk,jeremiaswerner/openwhisk,openwhisk/openwhisk,RSulzmann/openwhisk,cbickel/openwhisk,style95/openwhisk,rabbah/openwhisk,starpit/openwhisk,jasonpet/openwhisk,sven-lange-last/openwhisk,jeremiaswerner/openwhisk,cbickel/openwhisk,rabbah/openwhisk,csantanapr/incubator-openwhisk,style95/openwhisk,rabbah/openwhisk,csantanapr/incubator-openwhisk,dubeejw/openwhisk,akrabat/openwhisk,style95/openwhisk,markusthoemmes/openwhisk,sven-lange-last/openwhisk,style95/openwhisk,rabbah/openwhisk,jeremiaswerner/openwhisk,jeremiaswerner/openwhisk,sven-lange-last/openwhisk,starpit/openwhisk,jeremiaswerner/openwhisk,starpit/openwhisk,houshengbo/openwhisk,starpit/openwhisk,akrabat/openwhisk,openwhisk/openwhisk