Merge branch 'master' into release-0.29.0

.eslintrc

bin/build-for-test

bin/ci

bin/i18n/build-translation-frontend-resource

docs/administration-guide/03-metadata-editing.md

docs/administration-guide/images/filter-options.png

docs/users-guide/05-visualizing-results.md

docs/users-guide/08-dashboard-filters.md

docs/users-guide/10-pulses.md

docs/users-guide/14-x-rays.md

docs/users-guide/images/dashboard-filters/autocomplete.png

...sers-guide/images/dashboard-filters/dashboard-filters.png

docs/users-guide/images/dashboard-filters/list.png

docs/users-guide/images/dashboard-filters/multi-select.png

docs/users-guide/images/dashboard-filters/search-options.png

docs/users-guide/images/pulses/table.png

docs/users-guide/images/visualizations/row.png

docs/users-guide/images/x-rays/data-reference.png

docs/users-guide/images/x-rays/drill-through.png

docs/users-guide/images/x-rays/example.png