KeePass 1.21

# New Features:
* Added option to minimize the main window after locking the KeePass workspace (option enabled by default).
* Added {SAFARI} browser path placeholder.
* KeePass now removes zone identifiers from the CHM help file.
* Address space layout randomization (ASLR) is supported now.
* Plugins: added new COM interface IKpAPI3, which extends IKpAPI2 by a lot of useful functions.
* Plugins: added tray and cleanup notification and customization messages.
* Plugins: added ability to delay unloading until the main window has been closed.
# Improvements:
* The overlay icon for the taskbar button (on Windows 7) is now restored when Windows Explorer crashes and when starting in minimized and locked mode.
* The buttons in file save dialogs now have accelerator keys.
* Improved opening of CHM help file.
* Improved command availability updating of rich text context menus.
* KeePass is now developed and compiled using Visual Studio 2008 (with MFC 9.0); older compilers, IDEs and Windows 9x aren't supported anymore.
* Updated SAL annotations.
* Upgraded to Boost libraries version 1.47.0.
* KeePass.exe isn't compressed using UPX anymore.
* Plugins: IKpAPI::GetMainWindowHandle now always returns the handle of the KeePass main window, independent from which thread the function is called.
* Various UI text improvements.
* Various code optimizations.
* Minor other improvements.