Recommended update for SUSE Manager Server 4.0

This update fixes the following issues:

branch-network-formula:

- Handle application/efi mime type
- Allow http access to saltboot directory

cobbler:

- Signatures file now uses 'default_autoinstall' which fixes import
problem happening with some distributions (bsc#1159010)
- Fix for kernel and initrd detection (bsc#1159010)

dhcpd-formula:

- UEFI HTTPBoot support
- Changed default of filename_efi to shim.efi for secure boot

grafana-formula:

- Add CaaSP datasource and dashboards

image-sync-formula:

- Install dosfstools package for sync_image_usb module to work

patterns-suse-manager:

- Require yast2-migration to allow online OS migrations (bsc#1167777)

prometheus-formula:

- Add meta-monitoring configuration
- Add federation configuration

pxe-formula:

- Add non-EFI grub menu variant
- Use /usr/lib64/efi/shim.efi path (workaround for bsc#1166523)
- Use grub2 variable 'prefix' instead of hardcoded /boot
- Prepare configuration for UEFI with Secure Boot
- Add support fot new terminal naming for UEFI network boot

py26-compat-salt:

- Do not make py26-compat-salt to require python-tornado on SLE15 (all SPs)
- Backport saltutil state module to 2016.11 codebase (bsc#1167556)
- Add new custom SUSE capability for saltutil state module

python-susemanager-retail:

- Fix retail_branch_init python error due to change in branch id
handling

saltboot-formula:

- Add grain to force image redeployment and repartition
- Allow pillar customizable download urls
Saltboot now recognizes following pillars:
- saltboot_download_server: specifies from where download the images, kernel, etc.
- saltboot_download_protocol: specifies what protocol to use for download
- Use more reliable progress output
- Python3 compatibility fix
- Use file.read instead of cp.get_file_str
- Improve image cache debug messages

spacewalk:

- Explicitly require postgresql10 package (bsc#1165926)

spacewalk-backend:

- Validate cached package entries on ISS slave (bsc#1159184)
- Do not break when syncing Oracle 7 yum channel (bsc#1158463)
- Always use the same RPM database when running 'spacewalk-repo-sync'
from the command line or via taskomatic (bsc#1163468)

spacewalk-certs-tools:

- Add minion option in config file to disable salt mine when generated by
bootstrap script (bsc#1163001)
- Disable modularity failsafe mechanism for RHEL 8 bootstrap repos (bsc#1164875)

spacewalk-client-tools:

- Use 'int' instead of 'long' on rhn_check for both Python 2 and 3
- Do not crash 'mgr-update-status' because 'long' type is not defined in Python 3
- Add workaround for uptime overflow to spacewalk-update-status as well (bsc#1165921)

spacewalk-java:

- Hide message about changed Update Tag change (bsc#1169109)
- Refresh pillar after channel change
- Use 'changes' field if 'pchanges' field doesn't exist (bsc#1159202)
- Fix the original-clone channel relationship for CLM channels (bsc#1163121)
- Fix serializer and documentation for system.listSystems (bsc#1168083)
- Skip and show migration targets which do not have a successor
for all installed extension products (bsc#1168227)
- Fix resource leak in taskomatic (bsc#1168696)
- Add XMLRPC API method: proxy.listProxyClients (bsc#1166408)
- Hide Virtualization > Provisioning tab for Salt systems (bsc#1167329)
- Remove no longer necessary check for retail TERMINALS group membership
- Fix error when adding systems to ssm with 'add to ssm' button (bsc#1160246)
- Prevent build/promote on content projects which have build/promote in progress
- Clean stale Content Lifecycle targets on Tomcat startup (bsc#1164121)
- Show warning on products page when no SUSE Manager Server Subscription is available
- Improve performance for States view in SystemGroups detail view (bsc#1158752)
- Validate the suseproductchannel table and update missing date when running mgr-sync refresh (bsc#1163538)
- Add 'init.repo' kernel option to RHEL 8 kickstart tree (bsc#1163884)

spacewalk-utils:

- Check for delimiter as well when detecting current phase (bsc#1164771)
- Common-channels: Fix repo type assignment for type YUM (bsc#1151683)

spacewalk-web:

- Show warning on products page when no SUSE Manager Server Subscription is available
- Scheme is not allowed for URI of image store's API endpoint (bsc#1165571)

susemanager:

- Require python3-tornado only for SLE15/SLE15SP1/openSUSE Leap 15.1 (bsc#1169865)
- Use python3-M2Crypto for all SLE15 versions and openSUSE Leap 15.1
bootstrap repositories
- Add missing packages to OES2018-SP1-x86_64 target for bootstrap data (bsc#1169144)
- Add dbus-1-glib to SLE12SP5 x86_64 to allow onboarding of AWS Cloud SLE12SP5
clients (they do not have it by defaul anymore)
- Add package redhat-rpm-config to bootstrap repo for RH and CentOS systems (bsc#1168069)
- Add 'python-singledispatch' to SLE12 (all SPs) and RES7 bootstrap repos.
- Fix salt bootstrapping on SLE15 (require python3-pycrypto or
python3-M2Crypto to support all variants) (bsc#1164563)

susemanager-doc-indexes:

- Removed incorrect version number attribute
- On IBM Z by default use the Unified Installer
- Improve nav link descriptions CLI section layout fixes
- Update example in SUSE Manager salt configuration
- Update salt file locations
- Removed incorrect version number attribute
- On IBM Z by default use the Unified Installer
- Improve nav link descriptions CLI section layout fixes
- Update example in SUSE Manager salt configuration
- Update salt file locations

susemanager-docs_en:

- Removed incorrect version number attribute
- On IBM Z by default use the Unified Installer
- Improve nav link descriptions CLI section layout fixes
- Update example in SUSE Manager salt configuration
- Update salt file locations
- Removed incorrect version number attribute
- On IBM Z by default use the Unified Installer
- Improve nav link descriptions CLI section layout fixes
- Update example in SUSE Manager salt configuration
- Update salt file locations

susemanager-nodejs-sdk-devel:
- upgrade node_modul