- update: Bootstrap version to v4.0.0-beta.2

- update: vue-chartjs version to 3.0.0
- refactor: Remove old SCSS variables
- refactor: Breadcrumb Menu styles
- fix: External links issue
- fix: Mobile sidebar-nav height issue

Vue_Starter/scss/bootstrap/_navbar.scss

@@ -98,6 +98,7 @@
 // on the `.navbar` parent.
 .navbar-collapse {
   flex-basis: 100%;
+  flex-grow: 1;
   // For always expanded or extra full navbars, ensure content aligns itself
   // properly vertically. Can be easily overridden with flex utilities.
   align-items: center;
@@ -146,8 +147,7 @@
       }
 
       @include media-breakpoint-up($next) {
-        flex-direction: row;
-        flex-wrap: nowrap;
+        flex-flow: row nowrap;
         justify-content: flex-start;
 
         .navbar-nav {
@@ -174,15 +174,23 @@
           flex-wrap: nowrap;
         }
 
-        // scss-lint:disable ImportantRule
         .navbar-collapse {
-          display: flex !important;
+          display: flex !important;  // stylelint-disable-line declaration-no-important
+
+          // Changes flex-bases to auto because of an IE10 bug
+          flex-basis: auto;
         }
-        // scss-lint:enable ImportantRule
 
         .navbar-toggler {
           display: none;
         }
+
+        .dropup {
+          .dropdown-menu {
+            top: auto;
+            bottom: 100%;
+          }
+        }
       }
     }
   }
@@ -235,6 +243,13 @@
 
   .navbar-text {
     color: $navbar-light-color;
+    a {
+      color: $navbar-light-active-color;
+
+      @include hover-focus {
+        color: $navbar-light-active-color;
+      }
+    }
   }
 }
 
@@ -280,5 +295,12 @@
 
   .navbar-text {
     color: $navbar-dark-color;
+    a {
+      color: $navbar-dark-active-color;
+
+      @include hover-focus {
+        color: $navbar-dark-active-color;
+      }
+    }
   }
 }