fix z-index issue with modals for popovers,tooltips,and dropdowns

js/bootstrap-tooltip.js

@@ -145,8 +145,6 @@
             break
         }
 
-        if (this.options['z-index']) tp['z-index'] = this.options['z-index']
-
         $tip
           .css(tp)
           .addClass(placement)
@@ -267,7 +265,6 @@
   , trigger: 'hover'
   , title: ''
   , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
-  , 'z-index': false
   }
 
 }( window.jQuery )