allows overriding ssh user
refactoring key handling for redhat variants.
fixing name
removing internal network allow for basic auth
Merge pull request #1403 from edx/jarv/remove-basic-auth-restriction

removing internal network allow for basic auth
Make NAT monitor only warn about NAT failures.
Merge pull request #1404 from edx/feanil/warn_only_nat_monitor

Make NAT monitor only warn about NAT failures.
Merge pull request #1300 from edx/e0d/override-ssh-user

allows overriding ssh user
adm
Merge pull request #1405 from edx/e0d/splunk-group

adm
fixing perm issue with npm registry
Merge pull request #1406 from edx/jarv/npm-registry-fix

fixing perm issue with npm registry
Update the course ID for the demo course
Merge pull request #1409 from edx/will/update-demo-course-id-release

Update the course ID for the demo course
Merge branch 'release'
Configure hosts for Studio Preview button in devstack and jenkins
using ansible_hostname as COMMON_HOSTNAME for devstack
add check for COMMON_HOSTNAME length