* Move lots of stuff into contrib directory to clean up root folder
* Update autoconf files for new location of some files
* Refactor README split and move to docs directory
* Update INSTALL.md
* Update Makefile.in
* Install docs from new location
* Uninstall docs correctly
* Update Dockerfile
* Fix up Dockerfile spacing
* Move systemd stuff to contrib
* Move docker specific stuff to contrib/docker, update docs
* Fix Alpine and Stretch docker files
* Update configure after changed file locations
* Update INSTALL.md to include pkg-config as requirement
* Move also entrypoint.sh to contrib/docker
* Update 'min-notif-changes' to 'min-notify-changes' which was missed in PR #467
* Update to add --sync-root-files to usage.md and man page
* Update usage.md to include --auth-files ARG details
* Change the ordering of 'make install' so that directories and
permissions are set first
* Use wildcard to copy service files to systemd directory as 'install'
was failing when there was @ in the script
* Update systemd units files based on
https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/ for
starting the onedrive service
* Update single user file so that it requries the network to be online
before the service starts
* Create a multi-user service file for multi-user environments with each
user having their own onedrive account configuration (#321) - file
provided by @sbocquet
