New feature according to LOS-1023:

See merge request !23

- Ony RHEL7 qemu images are managed.
- New Image CI logic: If non RHEL testing is not defined, it doesn't run.

Update in qemu comparison

See merge request !22

- Keeping the whole dictionary for each qemu image in OS.
- Compare upstream vs OpenStack based on major and minor version and date.

Update for bug and schedule

See merge request !21

- Fix bug: Symlink corrected.
- Schedule changed while in prod.

Ensure ipv6 works correctly at CERN (DHCPv6 DUID=ll)

See merge request !20

New feature: Keep track of the latest version.

See merge request !19

New feature: Keeping record of the latest release of each version with 'latest_version_tracking()' function
- A symlink 'latest' is created or updated for pointing the dir of the latest release.
- A file 'version' is created or updated for recording the version number of the latest release
- The file and the symlink are stored in each directory of the major version
- The function runs either after checking the existence of a release or after downloading a new release.

Minor pedantic formatting

See merge request !18

Pedantic formatting

See merge request !17

Code related to CentOS images cleared

See merge request !16

Minor improvements

See merge request !15

Repo management configured

See merge request !14

New feature: kojiv2 gpgkey added

See merge request !13

Communit-ize OS image only in prod.

See merge request !12

Fix typos, remove whitespaces and weird unicode characters

See merge request !11

New build method

See merge request !10

Project refactored

See merge request !9

- Project name renamed along with several files and definitions.
- Several functions renamed.
- All comments and descriptions for functions updated.