Vuze 4.7.0.2

# New Features:
- Core | Initial support for portable Windows Vuze installs
- UI | Toggle Fullscreen mode using Command-Shift-F (Mac) or Control-Shift-F (Non-Mac)
- UI | Added filter mode to files view
- UI | Added text-alignment option to column setup
# Corrected bugs:
- Core | Fixed version server check protocol fallback bug
- UI | Fixed image management resource leak