FileZilla 3.1.5.1

- Connection establishment through SOCKS proxies could fail in some cases
- Clearing private data no longer crashes if quickconnect bar is hidden
- Handle drag & drop of symlinks
- Update remote directory tree if deleting a subdirectory
- Fix parsing of HTTP chunk lengths for the update downloader
- Reduce memory consumption of remote directory tree
- Rewrite the code that added local directories to the queue. New one is faster and avoids some potentially thread-unsafe behaviour of the old code
- OS X: Fix help menu duplication on non-English systems
- MSW: Reset wxWidgets internal display cache if changing display resolution or layout
- MSW: Fixes for silent intaller