Merge branch 'master' into 'master'

Update README.org

See merge request !31
3 jobs for master in 19 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Build
failed #468841
build latest

00:00:19

canceled #468840
build latest

00:01:21

failed #460955
build latest

00:00:28

 
Name Stage Failure
failed
build latest Build
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
$ docker build -t registry.git.rwth-aachen.de/achinrichs/latex-templates:latest ./docker/latest/
time="2019-09-12T19:50:07Z" level=error msg="failed to dial gRPC: cannot connect to the Docker daemon. Is 'docker daemon' running on this host?: dial tcp 172.17.0.4:2375: connect: connection refused"
error during connect: Post http://docker:2375/v1.40/build?buildargs=%7B%7D&cachefrom=%5B%5D&cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&labels=%7B%7D&memory=0&memswap=0&networkmode=default&rm=1&session=k1fcqv8trmirpf2hefkytlo5f&shmsize=0&t=registry.git.rwth-aachen.de%2Fachinrichs%2Flatex-templates%3Alatest&target=&ulimits=null&version=1: context canceled
ERROR: Job failed: exit code 1