Reinstate link check

scripts/travis_install.sh

@@ -22,7 +22,7 @@ conda update -q conda
 conda info -a
 conda install -c conda-forge notebook pytest
 
-# create jupyter base dir (needed for config retreival)
+# create jupyter base dir (needed for config retrieval)
 mkdir ~/.jupyter
 
 

scripts/travis_script.sh

@@ -45,7 +45,7 @@ if [[ $GROUP == coverage_and_docs ]]; then
     npm run docs
 
     # Run the link check
-    #pip install -q pytest-check-links
-    #py.test --check-links -k .md .
+    pip install -q pytest-check-links
+    py.test --check-links -k .md .
 fi