[Devstack] libserf-1-1, libsvn1, subversion package installation is failed when deploy environment

[Oleh Baran]

Steps to reproduce:
1. Create new environment.
2. Add any app from a.o.o.
3. Deploy environment.
4. Check log in Project/Compute/Instances/created instance

The error appears:

WARNING: The following packages cannot be authenticated!
  libserf-1-1 libsvn1 subversion
E: There are problems and -y was used without --force-yes
2016-03-23 08:44:51,489 - util.py[WARNING]: Failed to install packages: ['subversion', 'git-core', 'wget', 'make', 'gcc', 'python-pip', 'python-dev', 'python-setuptools', 'python-virtualenv']
2016-03-23 08:44:51,494 - cc_package_update_upgrade_install.py[WARNING]: 1 failed with exceptions, re-raising the last one
2016-03-23 08:44:51,495 - util.py[WARNING]: Running package-update-upgrade-install (<module 'cloudinit.config.cc_package_update_upgrade_install' from '/usr/lib/python2.7/dist-packages/cloudinit/config/cc_package_update_upgrade_install.pyc'>) failed

[Kirill Zaitsev (kzaitsev)]

This definitelly looks like a problem with your devstack installation, not murano