change the way to connect other proxy

Signed-off-by: iptton@comp.PC <iptton@gmail.com>
liveload
Qt5 compatibility

1. .pro + widgets webkitwidgets
2. QtGui => QtWidgets
3. remove QTextCodec methods
4. Q_WS_MAC => Q_OS_MAC
5. connect syntax
6. QVariant((int)Qt::cyan) (maybe not work)
updaet ignore
update readme
update scripts
update scripts
Qt5 Compatibility
QTcpServer inCommingConnection(int) => inCommingConnection(qintptr)
监听本机外的请求
支持virtualHost (header里的host与请求url里的host不一致的情况）
修复几处编译警告
10.8下一个空指针问题
CFStringGetCStringPtr 返回NULL 及 10.8下获取pac是否被启用，类型要用 CFNumberSInt32Type
Merge branch 'master' of https://github.com/iptton/Rythem

Conflicts:
	main.cpp
	mainwindow.cpp
	proxy/rypipedata.cpp
	proxy/rypipedata.h
	rythem_zh_CN.ts