0.1.7

• RPACU-38 licensecheck boolean is not parsed correctly while reading the
  configuration file
• RPACU-37 new option '--overwrite-specified' to only overwrite specified
  packages and not all as for the option '--overwrite'
• RPACU-35 new command to scan a repository to fetch R packages metadata
• Clean and reformat the source code
• Skip tests requiring any external resource when the later is unavailable
• Add ability to choose a destination folder while mirroring, so the
  downloaded packages are kept there and the mirror command can be launched
  again
• Support a local repository while mirroring
• Document the supported repository types with a class diagram
• The configuration sections ('artifactory_repos', 'renvironment_repos',
  'local_repos') are not mandatory
• RPACU-41 Check the Artifactory client implementation supports sub folders
  as repositories