FileZilla 3.5.3

# New features:
* Ctrl+Shift+O can be used to toggle between modification time and filesize based directory comparison
# Bugfixes and minor changes:
* It is now possible to use custom passwords if using "anonymous" as user name
* After un-hiding toolbar, update toolbar button states
* Fix TLS compatibility issues with TLS 1.2 servers
* MSW: Unset hidden attribute on FileZilla's settings files
* Building FileZilla from source now requires wxWidgets 2.8.12 or higher.