Merge remote-tracking branch 'remotes/origin/master' into submission-miscellaneous-fixes

config/environment.default.js

resources/i18n/en.json

...-by/+browse-by-date-page/browse-by-date-page.component.ts

...e-by-metadata-page/browse-by-metadata-page.component.html

...wse-by-metadata-page/browse-by-metadata-page.component.ts

...browse-by/+browse-by-switcher/browse-by-decorator.spec.ts

...app/+browse-by/+browse-by-switcher/browse-by-decorator.ts

...-by/+browse-by-switcher/browse-by-switcher.component.html

.../+browse-by-switcher/browse-by-switcher.component.spec.ts

...se-by/+browse-by-switcher/browse-by-switcher.component.ts

...y/+browse-by-title-page/browse-by-title-page.component.ts

src/app/+browse-by/browse-by-guard.spec.ts

src/app/+browse-by/browse-by-guard.ts

src/app/+browse-by/browse-by-routing.module.ts

src/app/+browse-by/browse-by.module.ts

src/app/navbar/navbar.component.spec.ts

src/app/navbar/navbar.component.ts

...omcol-page-browse-by/comcol-page-browse-by.component.html

.../comcol-page-browse-by/comcol-page-browse-by.component.ts

src/config/browse-by-config.interface.ts