Create new auth module for login and register components

src/app/auth/login.component.ts

@@ -0,0 +1,64 @@
+import { Component, OnInit } from '@angular/core';
+import { Validators, FormBuilder, FormGroup } from '@angular/forms';
+import { Http, Response } from '@angular/http';
+import { ApiService } from '../providers/api-service';
+import { Router, ActivatedRoute } from '@angular/router';
+import 'rxjs/add/operator/map';
+
+@Component({
+  templateUrl: 'login.component.html',
+  providers: [ApiService]
+})
+export class LoginComponent implements OnInit {
+  signin: FormGroup;
+  returnUrl: string;
+
+  constructor(
+	private route: ActivatedRoute,
+	private http: Http,
+	private formBuilder: FormBuilder,
+	private router: Router,
+	private api: ApiService
+	) {
+	  this.signin = this.formBuilder.group({
+		email:        ['', [Validators.required]],
+		password:     ['', [Validators.required]],
+	  });
+  }
+
+  ngOnInit() {
+	  // reset login status
+	  this.api
+		.logout()
+		.subscribe(
+		  result => {
+		    console.log('Logged out!');
+		  }
+		);
+
+    this.api.graph_data(undefined).subscribe(
+      result => { console.log(result) }
+    )
+
+		// get return url from route parameters or default to '/'
+        this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
+  }
+
+  onSubmit() {
+    console.log(this.signin.value);
+
+	this.api
+      .login(this.signin.value)
+      .subscribe(
+        result => {
+          console.log('logged in!');
+		  this.router.navigate([this.returnUrl]);
+        },
+        error => {
+          console.log( error._body );
+        }
+      );
+  }
+
+
+}