Maxthon 2.5.1.4075

[Core]
* Redesigned browser framework and added new anti-freeze feature

[Plugin and External Tools]
* Improved plugin security. Security id is no longer accessible in max.src. Existing Script/HTML plugins are not affected, individual COM plugins could obtain the security id through a new putSecurityId method if necessary.

[Interface]
* Added clean browser history option in the exit confirmation dialog
* Added a save as option in Collector, support ANSI, Unicode, and UTF-8 txt format
* Added a notice window when cleaning browser history
* Fixed a GDI leakage when tab is dragged
* Fixed a favorites and RSS sidebar focus problem
* Fixed a Maximize problem in mult-monitor environment
* Fixed a Float Button position problem under Split View
* Fixed a RSS duplicate addition alert problem
* Fixed a freeze problem when the shadow of menu is clicked
* The URL of favorites is shown when mouse hover favorites sidebar
* The close button on the active tab now works on mouse released (previously when mouse pressed)

[Capture]
* Fixed problem capturing long web pages

[Others]
* Fixed a zoom problem under IE8
* Fixed a freeze problem when maxthon exits
* Fixed a Magic Fill auto fill problem
* Fixed problem opening .url shortcut
* Fixed some browser window focus problems
* Fixed some memory leakage problem
* Possibly fixed problem that browser frame may not be drawn
* Possibly fixed problem that browser window may go behind other windows when opening external url
* Improved page scrolling efficiency
* Web page zoom ratio is limited between 10% to 1000%