update privoxy to 3.0.24

feature/statistics ui

Correct AvailabilityStatistics's behavior under special strategies like "LoadBalance", which may switch the server several times in a short period.

The executable was modified based on official release version, which
prevents privoxy from showing tray icon.
jmp dword ptr [<&SHELL32.Shell_NotifyIconA>]  => nop

This should close #455

Signed-off-by: Syrone Wong <wong.syrone@gmail.com>

# Conflicts:
#	shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs
#	shadowsocks-csharp/Controller/Strategy/StatisticsStrategy.cs
#	shadowsocks-csharp/View/StatisticsStrategyConfigurationForm.cs

Using StringEx

you don't think people will use Roslyn with Visual Studio 2012, do you?

- introduce a way to detect problem(s) related to Costura ASAP

more unnecessary optimize

Master

fix WPAD & FileStream handling

since the default object.Equals(object) does nothing more than object.ReferenceEquals(object)

- restore WPAD

Master