rename hash namespace to shash (secure hash) in order to avoid clash with new std:: namespace
fix clang 5 compiler errors
start development of cvmfs python library
add .cvmfspublished into _common
abstract Repository for addition of 'RemoteRepository'
add a manifest (.cvmfspublished) abstraction class
add remote repository support
adapt global collection functions
FIX: non-available RemoteRepository throws HTTPError