build: Replace Codelyzer and TSLint with Angular ESLint

Migrate from the deprecated TSLint to Angluar ESLint. Also fix current
linting issues in the code, in particular:

- Use strict equals operators (=== and !==)
- Remove empty lifecycle methods (mostly ngOnInit)
- Output bindings including aliases should not be named as standard dom
  events (submit)
- Async pipe results should not be negated

src/app/self-service/task-management/task-management.component.ts

@@ -1,15 +1,12 @@
-import { Component, OnInit } from '@angular/core';
+import { Component } from '@angular/core';
 
 @Component({
   selector: 'mifosx-task-management',
   templateUrl: './task-management.component.html',
   styleUrls: ['./task-management.component.scss']
 })
-export class TaskManagementComponent implements OnInit {
+export class TaskManagementComponent {
 
   constructor() { }
 
-  ngOnInit() {
-  }
-
 }