Maxthon 3.0.18.2000

# Additions
* Main Framework
- added "Copy Page URL/Title" command in Tab, Address Bar, and Favorites context menu
- added more convenient and flexible page zoom
- added "Replace with Current Page" command in Favorites context menu

# Magic Fill
- added support for multiple id and general id

# Proxy
- added proxy configuration

# Improvement
* Content Filter
- improved blocking rule management and user interface

# Bug Fixes
* Webkit Core
- fixed some possible crash problems
- fixed problem that "Save/Fill Password" commands not available in context menu of some form input boxes
- fixed problem that Save Form alert shows up before complete form data is entered
- fixed a Form data processing problem
- more friendly alert for unsupported protocols
- fixed a CSS rendering problem
- fixed a URL redirection problem
- fixed an external download manager problem