refractor: login module (#283)

* Refractor components.
* Shift language and footer component to shared module.
* Replace mat-icons by font-awesome icons.
* Add comments.

Fixes #284

src/app/shared/footer/footer.component.html

@@ -0,0 +1,5 @@
+<div fxLayout="column" id="footer" class="m-b-20">
+  <mat-divider fxFlexAlign="center" class="divider"></mat-divider>
+  <p fxFlexAlign="center" class="footer-content">Version {{ version }}</p>
+  <p fxFlexAlign="center" class="footer-content">Mifos X is up to date</p>
+</div>

src/app/shared/footer/footer.component.scss

@@ -0,0 +1,10 @@
+#footer {
+  .divider {
+    margin: 1rem 1rem 0.5rem;
+    width: 4rem;
+  }
+
+  .footer-content {
+    margin: 0;
+  }
+}

src/app/shared/footer/footer.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FooterComponent } from './footer.component';
+
+describe('FooterComponent', () => {
+  let component: FooterComponent;
+  let fixture: ComponentFixture<FooterComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ FooterComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FooterComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/footer/footer.component.ts

@@ -0,0 +1,25 @@
+/** Angular Imports */
+import { Component, OnInit } from '@angular/core';
+
+/** Environment Configuration */
+import { environment } from 'environments/environment';
+
+/**
+ *  Footer component.
+ */
+@Component({
+  selector: 'mifosx-footer',
+  templateUrl: './footer.component.html',
+  styleUrls: ['./footer.component.scss']
+})
+export class FooterComponent implements OnInit {
+
+  /** Mifos X version. */
+  version: string = environment.version;
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}