PeaZip 2.9.0

* FILE MANAGER:

- (Windows) Added reference SendTo items in PeaZip's path to simplify customizing installation, to share those items between users, and to use this type of system integration for PeaZip Portable
- (Windows) New default icon library with icons from Seven theme
- Various fixes

* WINDOWS INSTALLER:

- (Windows 7) Cascaded context menu with icons, since in Windows 7 and later cascading menu implementation is supported through registry settings, which is now recommended over COM methods
- Various fixes