See, for example, https://github.com/moby/moby/issues/18017; ARG may
invalidate following `RUN` statements because it implicitly alters the
build context.

Also, use
* apt.local.conf
* ubuntu-16.04.sources.list

Fix #64

- add org.label-schema LABELs for version, build-date, vcs-url

- use latest 8.0 tomcat version (=8.0.53)
- build and install Apache Tomcat Native Library
- use mirror://mirros.ubuntu.com URL schema in apt.sources to speed up
  downloads
- add org.label-schema LABELs for version, build-date, vcs-url
- reduce multiple apt-get update/install invocations

This reverts commit 9717f5b1 because
withwith #35 fixed 'xmlui.session.ipcheck' can be safely used again.

- fixed a mistake in adapt_utilities_sql.sh

vulnerability CVE-2018-0489

files

- added check to ensure that newest changes in clarin-dspace repo are
  picked up

- added various init steps to DSpace Dockerfile

docker service name afterwards

- added step to adapt TOS

added building of dspace to the dspace dockerfile