refractor: home module (#297)

* Refractor components.
* Redesign home component.
* Add comments.

Fixes #296

src/app/home/dashboard/dashboard.component.ts

@@ -1,7 +1,9 @@
+/** Angular Imports */
 import { Component, OnInit } from '@angular/core';
 
-import { single } from './data';
-
+/**
+ * Dashboard component.
+ */
 @Component({
   selector: 'mifosx-dashboard',
   templateUrl: './dashboard.component.html',
@@ -9,27 +11,7 @@ import { single } from './data';
 })
 export class DashboardComponent implements OnInit {
 
-  single: any[];
-  multi: any[];
-  view: any[] = [600, 350];
-
-  // options
-  showXAxis = true;
-  showYAxis = true;
-  gradient = false;
-  showLegend = true;
-  showXAxisLabel = true;
-  xAxisLabel = 'Country';
-  showYAxisLabel = true;
-  yAxisLabel = 'Population';
-
-  colorScheme = {
-    domain: ['#5AA454', '#A10A28', '#C7B42C', '#AAAAAA']
-  };
-
-  constructor() {
-    Object.assign(this, { single });
-  }
+  constructor() {  }
 
   ngOnInit() {
   }