Fix issue with getSearchLink

Fix #416

Bump webpack-bundle-analyzer from 2.13.1 to 3.3.2

Group logical entity types together

Fixed filtered search page

Bumps [webpack-bundle-analyzer](https://github.com/webpack-contrib/webpack-bundle-analyzer) from 2.13.1 to 3.3.2.
- [Release notes](https://github.com/webpack-contrib/webpack-bundle-analyzer/releases)
- [Changelog](https://github.com/webpack-contrib/webpack-bundle-analyzer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/webpack-bundle-analyzer/compare/v2.13.1...v3.3.2)

Conflicts:
	resources/i18n/en.json
	src/app/+collection-page/collection-page-routing.module.ts
	src/app/+collection-page/collection-page.module.ts
	src/app/+community-page/community-page.component.ts
	src/app/+item-page/edit-item-page/edit-item-page.component.ts
	src/app/+item-page/edit-item-page/edit-item-page.module.ts
	src/app/+item-page/edit-item-page/edit-item-page.routing.module.ts
	src/app/+item-page/edit-item-page/item-delete/item-delete.component.spec.ts
	src/app/+item-page/edit-item-page/item-delete/item-delete.component.ts
	src/app/+item-page/edit-item-page/item-private/item-private.component.spec.ts
	src/app/+item-page/edit-item-page/item-private/item-private.component.ts
	src/app/+item-page/edit-item-page/item-public/item-public.component.spec.ts
	src/app/+item-page/edit-item-page/item-public/item-public.component.ts
	src/app/+item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts
	src/app/+item-page/edit-item-page/item-reinstate/item-reinstate.component.ts
	src/app/+item-page/edit-item-page/item-status/item-status.component.ts
	src/app/+item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts
	src/app/+item-page/edit-item-page/item-withdraw/item-withdraw.component.ts
	src/app/+item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts
	src/app/+item-page/item-page-routing.module.ts
	src/app/+search-page/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts
	src/app/+search-page/search-filters/search-filter/search-filter.component.ts
	src/app/+search-page/search-service/search.service.ts
	src/app/app.reducer.ts
	src/app/core/auth/auth-response-parsing.service.ts
	src/app/core/auth/auth.service.ts
	src/app/core/auth/server-auth.service.ts
	src/app/core/cache/builders/remote-data-build.service.ts
	src/app/core/cache/object-cache.service.ts
	src/app/core/core.module.ts
	src/app/core/data/collection-data.service.ts
	src/app/core/data/data.service.ts
	src/app/core/data/item-data.service.spec.ts
	src/app/core/data/item-data.service.ts
	src/app/core/data/request.models.ts
	src/app/core/data/request.reducer.ts
	src/app/core/data/request.service.spec.ts
	src/app/core/data/request.service.ts
	src/app/core/index/index.effects.ts
	src/app/core/index/index.reducer.ts
	src/app/core/metadata/metadata.service.spec.ts
	src/app/core/shared/operators.spec.ts
	src/app/core/shared/operators.ts
	src/app/header/header.component.spec.ts
	src/app/shared/shared.module.ts

Miscellaneous fixes for Preview Release - Part 2

Merge branch 'preview-misc-fixes-2' of https://git.atmire.com/contributions/dspace-angular into preview-misc-fixes-2

replace npm variable with dedicated script to run webpack with a larger heapspace. The variables didn't work cross-platform