refactor: Clients Module

- refactors clients-routing.module.ts for dynamic breadcrumbs.
- refactors clients.service.ts to use HttpClient
- adds resolver to load client data
- removes partially implemented components

fixes: #409

src/app/clients/create-client/create-client.component.ts

@@ -1,25 +0,0 @@
-import { Component, OnInit} from '@angular/core';
-import {FormBuilder, FormGroup, Validators} from '@angular/forms';
-@Component({
-  selector: 'mifosx-create-client',
-  templateUrl: './create-client.component.html',
-  styleUrls: ['./create-client.component.scss']
-})
-export class CreateClientComponent implements OnInit {
-
-  isLinear = false;
-  firstFormGroup: FormGroup;
-  secondFormGroup: FormGroup;
-
-  constructor(private _formBuilder: FormBuilder) { }
-
-  ngOnInit() {
-    this.firstFormGroup = this._formBuilder.group({
-      firstCtrl: ['', Validators.required]
-    });
-    this.secondFormGroup = this._formBuilder.group({
-      secondCtrl: ['', Validators.required]
-    });
-  }
-
-}