- Update to version 2.3.3
* Add yum-utils as EPEL dependency
* Skip python3-virtualenv on <= trusty
* pip-and-virtualenv : install python2 & 3, and default to 2
* Install pip with python interpreter
* Move do_extra_package_install to run in install phase
* Updated from global requirements
* Unify and fix doc of several Debian and Ubuntu elements
* Fix package-installs-v2 output
* Basic logging for package-installs-squash
* Use DIB_PYTHON_EXEC to run commands
* Fix typo in pip-and-virtualenv
* Ignore missing path in unmount_dir
* Run dib-run-parts out of /tmp
* Don't provide dib-run-parts
* Add flag to disable EPEL
* Fix code-block in README of rhel7 element
* Fix opensuse-minimal element on non-SUSE hosts
* Use stevedore for plugin config of block device
* Adding aarch64 support for CentOS7
* Have simple-init enable network.service
* Use correct Ubuntu distro url on non-x86 arches
* Typo fix: curent => current
* functests: skip qcow2 generically but add specific test
* Add default PPC block-device layout
* Capture output in _exec_sudo
* Fix typo in CMDLINE env var for bootloader
* Allow ELEMENTS_DIR to be configurable
* Use sphinx warning-is-error
* Updated from global requirements