[backend] Use constraint name for prjconf defines as defined in BSXML and used by scheduler
[backend] Fix hostlabel constraints usage and prjconf constraints usage in bs_dispatch
[dist] update spec file
[backend] fix project deleting not cleaning up build area in async mode
[backend] update_project_meta_check: check each repo individually

To catch type changes for the "image" repo...
[api] Fix forbidden_projects_ids query

The project access flag has two status: "enable" and "disable" - the latter
must be queried for forbidden_project_ids.
[api] add check in webui controller
Add Release Notes 2.4.4
[api] fix crash webui controller during permission check
[backend] export proxy variables for worker download via curl
[backend] fix help information for bs_admin --parse-build-desc
[backend] fix sandbox constraints handling
[backend] do remote getbinaries and binaryversions requests in chunks

This keeps the URLs small, as we don't know if the remote server
can handle long URLs.

Conflicts:
	src/backend/bs_srcserver
[backend] fix project wide hostlabel constraints type conversation
[backend] fix mergeconstraints for physical memory
[api] support new CVE-YYYY-NNNN* syntax as specified by mitre.org

http://cve.mitre.org/cve/identifiers/syntaxchange.html

Conflicts:
	src/api/db/structure.sql
[dist] Start-Before is not official and must be X-Start-Before.

This fixes hopefully the systemd init support
[dist] ensure not to remove the server partition
[backend] further tweak parsing of the project config

Fixes bug that caused a dangling Macros section not to be closed.
[backend] link_or_copy: unlink the target before linking

Otherwise the code will truncate the file in the cache
if the link already exists for whatever reason.