FileZilla 3.5.1 RC1

* New features:
- Add menu item to hide toolbar

* Bugfixes and minor changes:
- Don't save server list in kiosk mode 2
- Fix for predefined sites not appearing in all circumstances
- OS X: Pasting formatted text into input boxes no longer changes their format
- Fix typo in build script in detection of SQLite3
- MSW: Small installer improvements
- *nix: Fix character set conversion in desktop notification code
- Merged upstream PuTTY changes for compatibility with PuTTY 0.61
- Updated built-in TinyXML