Downloads installers automatically from the build repository.
    
    downloadInstallers(buildRepo = "\\\\DEN-IT-FILE-07\\BuildRepo",
  to = ".", buildDir = NULL, branch = "Predictive_Dev", type = "Server",
  rInstaller = "RInstaller")
    
     Arguments
    
      - buildRepo
- path to the build repo.
- to
- directory to download the installers to. defaults to working dir.
- buildDir
- the build directory.
- branch
- string indicating the branch. defaults to Predictive_Dev.
- type
- string indicating installer type. it should be one of 'Server',
'Gallery', NonAdmin' or ''.