Merge branch 'develop' of https://github.com/readium/readium-js-viewer into develop

Author: danielweck

lib/EpubLibrary.js

@@ -61,7 +61,7 @@ Versioning){
             } else {                                      
             	cssRule = styleSheet.rules[ii];            
             }                                             
-            if (cssRule)  {                               
+            if (cssRule && cssRule.selectorText)  {                               
             	if (cssRule.selectorText.toLowerCase()=='.library-item') {          
                     heightRule = cssRule;                    
                 } 
@@ -79,6 +79,7 @@ Versioning){
 
 
 	var setItemHeight = function(){
+        if (!heightRule || !noCoverRule) return;
 
 		var medWidth = 2,
 			smWidth = 3,

lib/EpubReader.js

@@ -798,9 +798,9 @@ Readium){
                 $(document.body).removeClass('hide-ui');
                 setTimeout(function(){ $("#aboutButt1").focus(); }, 50);
             });
-    		$('#about-dialog').on('shown.bs.modal', function(){
+            $('#about-dialog').on('shown.bs.modal', function(){
                 Keyboard.scope('about');
-    		});
+            });
 
             var readerSettings;
             if (settings.reader){
@@ -910,7 +910,7 @@ Readium){
     };
 
     return {
-		loadUI : applyKeyboardSettingsAndLoadUi,
+        loadUI : applyKeyboardSettingsAndLoadUi,
         unloadUI : unloadReaderUI
     };