update bower version and dependencies

bower_components/bootstrap/js/affix.js

@@ -1,5 +1,5 @@
 /* ========================================================================
- * Bootstrap: affix.js v3.3.2
+ * Bootstrap: affix.js v3.3.4
  * http://getbootstrap.com/javascript/#affix
  * ========================================================================
  * Copyright 2011-2015 Twitter, Inc.
@@ -21,14 +21,14 @@
       .on('click.bs.affix.data-api',  $.proxy(this.checkPositionWithEventLoop, this))
 
     this.$element     = $(element)
-    this.affixed      =
-    this.unpin        =
+    this.affixed      = null
+    this.unpin        = null
     this.pinnedOffset = null
 
     this.checkPosition()
   }
 
-  Affix.VERSION  = '3.3.2'
+  Affix.VERSION  = '3.3.4'
 
   Affix.RESET    = 'affix affix-top affix-bottom'
 
@@ -78,7 +78,7 @@
     var offset       = this.options.offset
     var offsetTop    = offset.top
     var offsetBottom = offset.bottom
-    var scrollHeight = $('body').height()
+    var scrollHeight = $(document.body).height()
 
     if (typeof offset != 'object')         offsetBottom = offsetTop = offset
     if (typeof offsetTop == 'function')    offsetTop    = offset.top(this.$element)