fixes #4532: navbar responsive carets for dropdown-menus now hidden, also...

fixes #4532: navbar responsive carets for dropdown-menus now hidden, also fixes borders on navbar form

docs/assets/css/bootstrap-responsive.css

@@ -1003,6 +1003,10 @@
   .nav-collapse .dropdown-menu .divider {
     display: none;
   }
+  .nav-collapse .nav > li > .dropdown-menu:before,
+  .nav-collapse .nav > li > .dropdown-menu:after {
+    display: none;
+  }
   .nav-collapse .navbar-form,
   .nav-collapse .navbar-search {
     float: none;
@@ -1014,6 +1018,11 @@
        -moz-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
             box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
   }
+  .navbar-inverse .nav-collapse .navbar-form,
+  .navbar-inverse .nav-collapse .navbar-search {
+    border-top-color: #111111;
+    border-bottom-color: #111111;
+  }
   .navbar .nav-collapse .nav.pull-right {
     float: none;
     margin-left: 0;

less/responsive-navbar.less

@@ -115,6 +115,12 @@
   .nav-collapse .dropdown-menu .divider {
     display: none;
   }
+  .nav-collapse .nav > li > .dropdown-menu {
+    &:before,
+    &:after {
+      display: none;
+    }
+  }
   // Forms in navbar
   .nav-collapse .navbar-form,
   .nav-collapse .navbar-search {
@@ -125,6 +131,11 @@
     border-bottom: 1px solid @navbarBackground;
     .box-shadow(~"inset 0 1px 0 rgba(255,255,255,.1), 0 1px 0 rgba(255,255,255,.1)");
   }
+  .navbar-inverse .nav-collapse .navbar-form,
+  .navbar-inverse .nav-collapse .navbar-search {
+    border-top-color: @navbarInverseBackground;
+    border-bottom-color: @navbarInverseBackground;
+  }
   // Pull right (secondary) nav content
   .navbar .nav-collapse .nav.pull-right {
     float: none;