(Fuse) Tree-shakable core services, closes #64

src/@fuse/components/navigation/navigation.service.ts

@@ -3,7 +3,9 @@ import { BehaviorSubject, Observable, Subject } from 'rxjs';
 
 import { FuseNavigationItem } from '@fuse/types';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseNavigationService
 {
     onItemCollapsed: Subject<any>;

src/@fuse/components/sidebar/sidebar.service.ts

@@ -2,7 +2,9 @@ import { Injectable } from '@angular/core';
 
 import { FuseSidebarComponent } from './sidebar.component';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseSidebarService
 {
     // Private

src/@fuse/directives/fuse-mat-sidenav/fuse-mat-sidenav.service.ts

@@ -1,7 +1,9 @@
 import { Injectable } from '@angular/core';
 import { MatSidenav } from '@angular/material';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseMatSidenavHelperService
 {
     sidenavInstances: MatSidenav[];

src/@fuse/fuse.module.ts

@@ -1,29 +1,8 @@
 import { ModuleWithProviders, NgModule, Optional, SkipSelf } from '@angular/core';
 
-import { FUSE_CONFIG, FuseConfigService } from '@fuse/services/config.service';
-import { FuseCopierService } from '@fuse/services/copier.service';
-import { FuseLoadingBarService } from '@fuse/services/loading-bar.service';
-import { FuseMatchMediaService } from '@fuse/services/match-media.service';
-import { FuseMatSidenavHelperService } from '@fuse/directives/fuse-mat-sidenav/fuse-mat-sidenav.service';
-import { FuseNavigationService } from '@fuse/components/navigation/navigation.service';
-import { FuseSidebarService } from '@fuse/components/sidebar/sidebar.service';
-import { FuseSplashScreenService } from '@fuse/services/splash-screen.service';
-import { FuseTranslationLoaderService } from '@fuse/services/translation-loader.service';
+import { FUSE_CONFIG } from '@fuse/services/config.service';
 
-@NgModule({
-    entryComponents: [],
-    providers      : [
-        FuseConfigService,
-        FuseCopierService,
-        FuseLoadingBarService,
-        FuseMatchMediaService,
-        FuseMatSidenavHelperService,
-        FuseNavigationService,
-        FuseSidebarService,
-        FuseSplashScreenService,
-        FuseTranslationLoaderService
-    ]
-})
+@NgModule()
 export class FuseModule
 {
     constructor(@Optional() @SkipSelf() parentModule: FuseModule)

src/@fuse/services/config.service.ts

@@ -8,7 +8,9 @@ import * as _ from 'lodash';
 // Create the injection token for the custom settings
 export const FUSE_CONFIG = new InjectionToken('fuseCustomConfig');
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseConfigService
 {
     // Private

src/@fuse/services/copier.service.ts

@@ -1,14 +1,15 @@
 /**
  * This class is based on the code in the following projects:
- *
- * - https://github.com/zenorocha/select
- * - https://github.com/zenorocha/clipboard.js/
+ * https://github.com/zenorocha/select
+ * https://github.com/zenorocha/clipboard.js/
  *
  * Both released under MIT license - © Zeno Rocha
  */
 import { Injectable } from '@angular/core';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseCopierService
 {
     private textarea: HTMLTextAreaElement;

src/@fuse/services/loading-bar.service.ts

@@ -3,7 +3,9 @@ import { NavigationEnd, NavigationStart, Router } from '@angular/router';
 import { BehaviorSubject, Observable } from 'rxjs';
 import { filter } from 'rxjs/operators';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseLoadingBarService
 {
     // Private

src/@fuse/services/match-media.service.ts

@@ -2,7 +2,9 @@ import { MediaChange, ObservableMedia } from '@angular/flex-layout';
 import { Injectable } from '@angular/core';
 import { BehaviorSubject } from 'rxjs';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseMatchMediaService
 {
     activeMediaQuery: string;

src/@fuse/services/splash-screen.service.ts

@@ -3,7 +3,9 @@ import { DOCUMENT } from '@angular/common';
 import { animate, AnimationBuilder, AnimationPlayer, style } from '@angular/animations';
 import { NavigationEnd, Router } from '@angular/router';
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseSplashScreenService
 {
     splashScreenEl: any;

src/@fuse/services/translation-loader.service.ts

@@ -7,7 +7,9 @@ export interface Locale
     data: Object;
 }
 
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class FuseTranslationLoaderService
 {
     /**