Maxthon 3.3.4.4000

# Improvements:
* Extension Platform
* Improved the support to HTML5 Canvas and IndexedDB.
# Fixes:
* Main Frame
- Site icon color display problem.
* Webkit Core
- Some crash problems.
- Resource leak problem caused by GDI project.
- The browser froze when scrolled the page.
- The data would lose if restarted the browser because IndexedDB could not record the data permanently.
- Improved the support to game "Cut the Rope".http://www.cuttherope.ie/
- Lack of the search icon in the search bar of Developer Tools.
* Extension Platform
- Some interface realization problems.