Refs: dev/core#4305 Bulk update of href to ng-href where href value contains '{{'

Refs: dev/core#4305 Bulk update of href to ng-href where href value contains '{{'

This was performed using the following:

grep -n -R -o -E -e '<a[^>]*\shref="[^"]*\{\{[^"]*"' -e "<a[^>]*\shref='[^']*\{\{[^']*'"  . | awk -F : '{print "sed -i #"$2"s/href/ng-href/g# "$1}' | tr '#' "'" > updates.sh

Then running the generated script.

This commit excludes a file in tests which I'll add as a separate
commit.