Update Bootstrap to version 4.2.1

Changelog

@@ -1,3 +1,5 @@
+2018-12-21 DariusIII
+	* Chg: Update Bootstrap to version 4.2.1
 2018-12-20 DariusIII
 	* Chg: Update migrations_table.sql for old users so new migrations are not run as we already have the triggers added
 	* Chg: Remove old add_triggers migration and create completely new with new code

package.json

@@ -23,7 +23,7 @@
         "@fortawesome/fontawesome-free": "^5.6.3",
         "animate.css": "^3.7.0",
         "autosize": "^4.0.2",
-        "bootstrap": "^4.1.3",
+        "bootstrap": "^4.2.1",
         "bootstrap-datepicker": "^1.8.0",
         "bootstrap-hover-dropdown": "^2.2.1",
         "bootstrap-progressbar": "^0.9.0",