navbar and dropdown fixes, for alignments and for ie7/8 dropdown hidden bugs from #3946

less/component-animations.less

@@ -15,6 +15,7 @@
   position: relative;
   height: 0;
   overflow: hidden;
+  overflow: visible \9;
   .transition(height .35s ease);
   &.in {
     height: auto;

less/mixins.less

@@ -154,11 +154,12 @@
 .input-block-level {
   display: block;
   width: 100%;
-  min-height: 28px;        // Make inputs at least the height of their button counterpart
+  min-height: 30px;        // Make inputs at least the height of their button counterpart
   .box-sizing(border-box); // Makes inputs behave like true block-level elements
 }
 
 
+
 // Mixin for form field states
 .formFieldState(@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
   // Set the text color

less/navbar.less

@@ -327,8 +327,8 @@
 }
 
 // Right aligned menus need alt position
-.navbar .pull-right .dropdown-menu,
-.navbar .dropdown-menu.pull-right {
+.navbar .pull-right > li > .dropdown-menu,
+.navbar .nav > li > .dropdown-menu.pull-right {
   left: auto;
   right: 0;
   &:before {