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

# Conflicts:
#	src/app/+item-page/edit-item-page/item-status/item-status.component.spec.ts
#	src/app/core/cache/builders/remote-data-build.service.ts
#	src/app/core/core.effects.ts
#	src/app/core/core.reducers.ts
#	src/app/core/data/comcol-data.service.spec.ts
#	src/app/core/data/data.service.spec.ts
#	src/app/core/data/data.service.ts
#	src/app/core/shared/dspace-object.model.ts
#	src/app/shared/shared.module.ts
#	src/styles/_custom_variables.scss

src/app/core/shared/operators.spec.ts

@@ -64,7 +64,7 @@ describe('Core Module - RxJS Operators', () => {
       scheduler.schedule(() => source.pipe(getRequestFromRequestHref(requestService)).subscribe());
       scheduler.flush();
 
-      expect(requestService.getByHref).toHaveBeenCalledWith(testRequestHref)
+      expect(requestService.getByHref).toHaveBeenCalledWith(testRequestHref);
     });
 
     it('shouldn\'t return anything if there is no request matching the self link', () => {
@@ -159,6 +159,22 @@ describe('Core Module - RxJS Operators', () => {
     });
   });
 
+  describe('getResponseFromEntry', () => {
+    it('should return the response for all not empty request entries, when they have a value', () => {
+      const source = hot('abcdefg', testRCEs);
+      const result = source.pipe(getResponseFromEntry());
+      const expected = cold('abcde--', {
+        a: testRCEs.a.response,
+        b: testRCEs.b.response,
+        c: testRCEs.c.response,
+        d: testRCEs.d.response,
+        e: testRCEs.e.response
+      });
+
+      expect(result).toBeObservable(expected)
+    });
+  });
+
   describe('getSucceededRemoteData', () => {
     it('should return the first() hasSucceeded RemoteData Observable', () => {
       const testRD = {