Fixed rendering pages with Qt 5

Filtering "\" from AdBlock CSS rules.

src/lib/adblock/adblockrule.cpp

@@ -370,6 +370,7 @@ void AdBlockRule::parseFilter()
         }
 
         m_cssSelector = parsedLine.mid(pos + 2);
+        m_cssSelector.remove('\\');
         // CSS rule cannot have more options -> stop parsing
         return;
     }

src/lib/app/mainapplication.cpp

@@ -357,6 +357,7 @@ void MainApplication::loadSettings()
         m_websettings->enablePersistentStorage(m_activeProfil);
         m_websettings->setAttribute(QWebSettings::LocalStorageEnabled, settings.value("HTML5StorageEnabled", true).toBool());
     }
+
     m_websettings->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);
     m_websettings->setAttribute(QWebSettings::PluginsEnabled, settings.value("allowFlash", true).toBool());
     m_websettings->setAttribute(QWebSettings::JavascriptEnabled, settings.value("allowJavaScript", true).toBool());
@@ -854,8 +855,7 @@ QUrl MainApplication::userStyleSheet(const QString &filePath) const
 {
     // Set default white background for all sites
     // Fixes issue with dark themes when sites don't set background
-
-    QString userStyle /*= "body{background-color:white;}"*/;
+    QString userStyle /*= "html{background-color:white;}"*/;
     userStyle += AdBlockManager::instance()->elementHidingRules() + "{ display:none !important;}";
 
     QFile file(filePath);

src/lib/rss/rssnotification.cpp

@@ -62,6 +62,8 @@ RSSNotification::RSSNotification(const QString &title, const QUrl &url, WebView*
               << RssApp("Yahoo!", "http://add.my.yahoo.com/rss?url=", QIcon(":/icons/sites/yahoo.png"));
 
 #ifdef Q_WS_X11
+    // TODO: Not really clever solution.
+    // It should look in PATH
     if (QFile("/usr/bin/akregator").exists()) {
         m_rssApps << RssApp("Akregator", "/usr/bin/akregator -a ", QIcon(":/icons/sites/akregator.png"), DesktopApplication);
     }