- fix for #479547 and #345429: if no repos are defined and trigger rebuild is issued fail with a nice error and redirect to add_target_simple

- thie fix was proposed by MarcusH
- Adrian should have gotten a stronger coffee though

server has trouble.
Adding a timeout of 1 hour for server get operations.

- use fd2hdr in bs_srcserver

  * fixes #403533 and #477956

product creation, but limits the version scheme.

* fix generation of products without beta version defined

option)

scheduled/building/blocked/... states.

  always :relsync file names without extentsions according to mls.
* reduce priority on project event changes for all depending prps

* Extend disturl support to contain the following string:
  obs://build_instance/project/repository/srcmd5-package_name

groups. This reduces forced builds and increase "unchanged" build
results.