Merge branch 'fix-external-links' into 'master'

fix broken external links

See merge request hifis/hifis.net!156

.gitlab-ci.yml

@@ -160,7 +160,7 @@ test:htmlproofer:external_links:
   script:
     - "bundle exec htmlproofer \
         --internal-domains localhost:4000 \
-        --url-ignore 'https://www.openstoragenetwork.org/'
+        --url-ignore 'https://www.openstoragenetwork.org' \
         --assume-extension public/"
   rules:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'

_posts/2020/07/2020-07-31-hip-hmc-calls.md

@@ -18,7 +18,7 @@ Make sure to not miss the respective deadlines in September and October!
 #### Helmholtz Imaging Platform
 The [Helmholtz Imaging Platform (HIP)](https://www.helmholtz-imaging.de/) published their first call to facilitate innovative approaches focusing on imaging problems arising in all Helmholtz research areas.
 
-Full information on the call can be found on [HIP's project page](https://www.helmholtz-imaging.de/projects/). 
+Full information on the call can be found on [HIP's overview page](https://www.helmholtz-imaging.de/our_services/overview/). 
 **Application deadline is 11 September, 2020**.
 
 #### Helmholtz Metadata Collaboration