Merge branch '48-revert-ci-cd-scripts-to-use-main-oskar-repository-again' into 'master'

Resolve "Revert CI/CD scripts to use main OSKAR repository again"

Closes #48

See merge request RD/EveryBeam!61

.gitlab-ci.yml

@@ -80,8 +80,7 @@ build-compare-oskar:
     # Install python requirements for the OSKAR "integration" test
     - pip3 install numpy==1.19.0 scipy h5py astropy tqdm matplotlib pandas lofarantpos
     - mkdir -p /opt/oskar/build
-    - cd /opt/oskar && git clone https://github.com/basvandertol/OSKAR.git
-    - cd OSKAR && git checkout fix-transformations
+    - cd /opt/oskar && git clone https://github.com/OxfordSKA/OSKAR.git
     - cd /opt/oskar/build
   script:
     # OSKAR cpp install