Angular 7 Upgrade

Upgrade to Angular 7

Release upgrades to angular 7 and upgrade to Material 7.

Improvements and fixes

• #66 Make CBP Header click action configurable
• #65 App Menu, User Menu remains open when CBP Header shrinks

Upgrade Guide

• First upgrade your projects to Angular 7 following https://angular.io/guide/updating
• Then

rimraf node_modules
npm install --save ngx-cbp-theme@~7

#or 
yarn add ngx-cbp-theme@~7