Update
Sync on file

The client testsuite now syncs on a volume shared by the server
container as syncing on the service port is not reliable when
testing the voms update.
Build image script & DO_SYNC sync flag
DO_SYNC conditional sync flag
Merge branch 'netcat'

* netcat:
  DO_SYNC conditional sync flag
  Build image script & DO_SYNC sync flag
  Sync on file
  Update

Conflicts:
	voms-testsuite-image/setup.sh
Merge branch 'master' of github.com:dandreotti/docker-scripts

* 'master' of github.com:dandreotti/docker-scripts:
  Fixed gpg keys import command
  Added script for building the image. Changed images names
  Added GPG keys
Working base image & voms-deployment test
docker images restructuring

- naming scheme change
- working voms-testsuite image
Merge branch 'master' of github.com:dandreotti/docker-scripts

* 'master' of github.com:dandreotti/docker-scripts:
  Added check after yum update