Fix pygsl installation (#246)

* Merge build and deploy to fix deploy problems

* Add nest-server requirements

* Fix nest-desktop and compose file

* Add v3.7

* Remove test

* Add v3.7 to readme

* Fix nestml version and add pygsl

* Install nestml fix for nest verssion

* Fix merging errors

* Deactivate build of 3.7 and 2.20.2 in CI

* Add rc2

* NEW Version 3.8

* Fix pygsl installation

src/3.8/Dockerfile

@@ -126,13 +126,12 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     python3 -m pip install --upgrade gsl wheel setuptools swig
 
 #Latest update to nestml v8.0.0-rc1
-RUN python3 -m pip install nestml==8.0.0rc2
-
-RUN python3 -m pip install nestml-server@git+https://github.com/babsey/[email protected] && \
-    python3 -m pip install --upgrade pygsl@git+https://github.com/pygsl/[email protected]
+RUN python3 -m pip install nestml==8.0.0rc2 && \
+    python3 -m pip install nestml-server@git+https://github.com/babsey/[email protected] && \
+    python3 -m pip install --upgrade pygsl@git+https://github.com/pygsl/[email protected]
 
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-RUN chmod +x /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh 
 
 COPY test-nest.sh /opt/test-nest.sh
 RUN chmod +x /opt/test-nest.sh