Merged in NRRPLT-6586 (pull request #2)

NRRPLT-6586

* [NRRPLT-6858] Add pipeline

* [NRRPLT-6858] ExDBackend clone missing

* [NRRPLT-6858] wrong path in generated

* [NRRPLT-6858] remove brainsimulation egg-links

* [NRRPLT-6858] missing egg-links removals

* [NRRPLT-6858] Simplify PYTHONPATH

* [NRRPLT-6586] Add branch dependencies

* [NRRPLT-6586] Reinstate get_neuron_count

* [NRRPLT-6586] Make get_neuron_count static

* [NRRPLT-6586] Externalize topic branches to admin script

* [NRRPLT-6586] Externalize topic branches to admin script 2

* [NRRPLT-6586] link to ContinuousIntegration not needed anymore

* [NRRPLT-6586] Remove more eggs

* [NRRPLT-6858] Add pipeline

* [NRRPLT-6858] ExDBackend clone missing

* [NRRPLT-6858] wrong path in generated

* [NRRPLT-6858] remove brainsimulation egg-links

* [NRRPLT-6858] missing egg-links removals

* [NRRPLT-6858] Simplify PYTHONPATH

* [NRRPLT-6586] Add branch dependencies

* [NRRPLT-6586] Reinstate get_neuron_count

* [NRRPLT-6586] Make get_neuron_count static

* [NRRPLT-6586] Externalize topic branches to admin script

* [NRRPLT-6586] Externalize topic branches to admin script 2

* [NRRPLT-6586] link to ContinuousIntegration not needed anymore

* [NRRPLT-6586] Remove more eggs

* [NRRPLT-6586] Exclude music packages from the build

* [NRRPLT-6586] Exclude music packages from the build 2

* [NRRPLT-6586] Exclude music packages from the build 3

* [NRRPLT-6586] Exclude music packages from the build 4

Approved-by: Kepa Cantero <cantero@fortiss.org>