renaming GhostArtifactRegistry to GhostArtifactRepository
Merge pull request #37 from Nipuni/remote

fixing ghost-deployment and updating WebAppUtils
Merge branch 'master' of https://github.com/wso2-dev/carbon-deployment into remote
Merge branch 'capp-ghost-deployer-fixes'
fixing artifact-metafile-locations for Capp, fixing hostname conflicts
Merge branch 'master' of https://github.com/wso2-dev/carbon-deployment into remote
updating default host name to read from carbon.xml