Refine PAC server

- Uncompress the text file for better version control
- Touch the PAC files in first place

- Split the file operations to new PACDaemon
- More precise matching logic for handling PAC content http request

Update the PAC file using the proxy channel only when proxy mode is enabled.

DumpRegisteredEncryptor

PAC will check the user rules first to find whether the URL should be connected via PROXY or DIRECT. If it does not match, then go to check GFWList rules.

binary modified via OD with tray icon function calls bypassed

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

Cause: process's additional environment variables are not expanded
by correctly.

Innovated by studentmain (StudentEx <scncgz@gmail.com>)

Add OpenSSL 1.1.0g support due to hardware acceleration

Note: If you want to compile it by yourself, please make sure
do NOT use `no-asm` configure option, since the main point of
this commit is to utilize assembly in openssl

Add OpenSSL test

SIP003 server port validation
Year 2018

When saving user-rule.txt file, some text editors can raise FileSystemWatcher event twice.
The 1st time is blank content, then the 2nd time is the modified content.

Put user rules at the begin of the PAC file.

This might fix 500 Privoxy Internal Error: no-server-data

Fix: #1468
Enhance: 46d40fec67