Prevent default link action when showing modals

Clicking a link that displays a modal will cause the page
to scroll to the bottom of the content if the content is longer
than the height of the viewport. This change prevents that from
happening.

dist/ratchet.js

@@ -28,9 +28,13 @@
 
   window.addEventListener('touchend', function (event) {
     var modal = getModal(event);
-    if (modal) modal.classList.toggle('active');
+    if (modal) {
+      event.preventDefault();
+      modal.classList.toggle('active');
+    }
   });
-}();/* ----------------------------------
+}();
+/* ----------------------------------
  * POPOVER v1.0.0
  * Licensed under The MIT License
  * http://opensource.org/licenses/MIT
@@ -117,12 +121,13 @@
     'slide-out' : 'slide-in',
     'fade'      : 'fade'
   };
+  
   var bars = {
     bartab             : '.bar-tab',
     bartitle           : '.bar-title',
     barfooter          : '.bar-footer',
     barheadersecondary : '.bar-header-secondary'
-  }
+  };
 
   var cacheReplace = function (data, updates) {
     PUSH.id = data.id;
@@ -509,7 +514,8 @@
   window.addEventListener('click', function (e) { if (getTarget(e)) e.preventDefault(); });
   window.addEventListener('popstate', popstate);
 
-}();/* ----------------------------------
+}();
+/* ----------------------------------
  * TABS v1.0.0
  * Licensed under The MIT License
  * http://opensource.org/licenses/MIT

lib/js/modals.js

@@ -20,6 +20,9 @@
 
   window.addEventListener('touchend', function (event) {
     var modal = getModal(event);
-    if (modal) modal.classList.toggle('active');
+    if (modal) {
+      event.preventDefault();
+      modal.classList.toggle('active');
+    }
   });
-}();
+}();