Signed-off-by: noisyfox <timemanager.rick@gmail.com>

日志文件越来越大，原有的清空日志只是清理记录窗口中显示的日志，实际并没有真的删除。

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

* Drop unused variable to suppress warning in LogForm

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

* Fix IPv6 displaying

It is a little ugly, send a PR if you can find a better way.

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

This exception is caused by processing Invoke Action while trafficChart is already disposed.

=====
Exception reproduce frequency: RARE. Once triggered, ShadowSocks crashes.

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

* Implement the line chart on Log View window for inbound/outbound traffic per second

* Implement dynamic tray icon to indicate Inbound and Outbound

* Refine linechart

* Bugfix for dynamic icon

* Refine chart presentation

* Change the data points' type for more accurate calculation

* Tweak inbound/outbound indicator image for tray icon

# Conflicts:
#	README.md
#	shadowsocks-csharp/Controller/Service/AvailabilityStatistics.cs
#	shadowsocks-csharp/Controller/Service/PACServer.cs
#	shadowsocks-csharp/Controller/Strategy/SimplyChooseByStatisticsStrategy.cs
#	shadowsocks-csharp/Data/cn.txt
#	shadowsocks-csharp/Model/Configuration.cs
#	shadowsocks-csharp/Model/LogViewerConfig.cs
#	shadowsocks-csharp/View/LogForm.Designer.cs
#	shadowsocks-csharp/View/LogForm.cs
#	shadowsocks-csharp/View/MenuViewController.cs

1. WrapTextTrigger -> wrapTextTrigger
2. WrapTextTriggerLock -> wrapTextTriggerLock
3. TopMostTrigger -> topMostTrigger
4. TopMostTriggerLock -> topMostTriggerLock
5. ShowToolbarTrigger -> toolbarTrigger

1. add menu items for `clear logs`, `change fonts`, `wrap text` and `top most` functions.
2. hide toolbar default. but you can trigger it out by menu.

1. Add Logging.Info()
2. Console.WriteLine() -> Logging.Info()
3. Console.WriteLine() in exceptions -> Logging.LogUsefulException()

2. store window's size & position in config file.
3. fix: scroll bar sometimes disappear while sizing the window.

1. WrapTextTrigger -> wrapTextTrigger
2. WrapTextTriggerLock -> wrapTextTriggerLock
3. TopMostTrigger -> topMostTrigger
4. TopMostTriggerLock -> topMostTriggerLock
5. ShowToolbarTrigger -> toolbarTrigger

1. add menu items for `clear logs`, `change fonts`, `wrap text` and `top most` functions.
2. hide toolbar default. but you can trigger it out by menu.

1. add `clean log` feature
2. add `change font` feature
3. add `wrap text` feature
4. add `top most` feature