Remove last of bower assets and add them to npm and laravel-mix asset management

package.json

@@ -13,9 +13,9 @@
         "axios": "^0.18",
         "cross-env": "^5.1",
         "jquery": "^3.2",
-        "laravel-mix": "^2.0",
+        "laravel-mix": "^2.1.14",
         "lodash": "^4.17.5",
-        "popper.js": "^1.12",
+        "popper.js": "^1.14.5",
         "vue": "^2.5.7"
     },
     "dependencies": {
@@ -28,10 +28,16 @@
         "bootstrap-hover-dropdown": "^2.2.1",
         "bootstrap-progressbar": "^0.9.0",
         "datatables": "^1.10.18",
+        "flexboxgrid2": "^7.2.1",
         "icheck": "^1.0.2",
+        "jquery-colorbox": "^1.6.4",
         "jquery-goup": "^1.1.3",
         "jquery-migrate": "^3.0.1",
+        "jquery-multifile": "^2.2.2",
+        "jquery-slimscroll": "^1.3.8",
         "jquery.nicescroll": "^3.7.6",
+        "multiselect": "^0.9.12",
+        "pace-js": "^1.0.2",
         "pnotify": "^3.2.1",
         "tinymce": "^4.8.5"
     }