removing net-spinner configs
using vcloud-launcher to create walker-ci
removing script to create walker by directly using fog
configuring vse using fog#edgegateway.
fixing tests to work with catalogs without items
removed p's
got rid of old way of creating vapps
fixing github warning for newline
parametrised script to power_on walker_ci

this script will be used against carrenza and skyscape both
Merge pull request #21 from alphagov/walker-ci-on-carrenza

running walker-integration tests against carrenza