Upgrade bootstrap version to improve security
"@angular/platform-browser-dynamic": "^5.1.0",
"@angular/router": "^5.1.0",
"@ng-bootstrap/ng-bootstrap": "1.0.0-beta.7",
- "bootstrap": "4.0.0-beta.2",
+ "bootstrap": "4.1.3",
"core-js": "2.4.1",
"file-saver": "^1.3.3",
"font-awesome": "4.7.0",
