60.0: conf.d directory and localrepo

* Entry configuration script cleaned up most of the features were
  separated to it's own configuration scripts
* Added localrepo tool for local repository management
* Obsolete package content (replaced by localrepo)
* Automatic journal recovery in pkgupdate
* Added few more info output lines to make updater less silent
* Configuration flags were dropped without replacement
* Variable root_dir can be now accessed from configuration
* Allow access to files accessing functions in Local restriction level
* Small reorganization and cleanup in source files and documentation