build: update dependencies

Update dependencies and configure the app for angular material and flex
layout.

Fixes #44

src/app/clients/clients.module.ts

@@ -1,7 +1,6 @@
 import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { CommonModule } from '@angular/common';
 import { ArchwizardModule } from 'angular-archwizard';
-import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 
 import { ClientsComponent } from './clients.component';
 import { CreateClientComponent} from './create-client/create-client.component';
@@ -15,9 +14,7 @@ import { ViewLoanComponent } from './view-loan/view-loan.component';
     CoreModule,
     CommonModule,
     ClientsRoutingModule,
-    ArchwizardModule,
-    NgbModule
-
+    ArchwizardModule
   ],
   declarations: [
   ClientsComponent,