Upgrade angular 7

# Conflicts:
#	src/app/+collection-page/collection-form/collection-form.component.ts
#	src/app/+community-page/community-form/community-form.component.ts
#	src/app/shared/comcol-forms/comcol-form/comcol-form.component.ts

Community and collection logos

Conflicts:
	src/app/shared/shared.module.ts

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.2 to 4.5.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.1.2...v4.5.3

)

Signed-off-by: dependabot[bot] <support@github.com>

# Conflicts:
#	src/app/core/services/route.service.ts
#	src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
#	src/app/shared/form/builder/form-builder.service.ts
#	src/app/shared/object-list/object-list.component.spec.ts
#	src/app/submission/submission.service.ts

Disregard the response body for statistic event calls

 Create relationships during the submission