Fix #27 , Fix #28 , Fix racaljk/hosts#654

• Add hide start up process.
• Fix typo
• Fix mirror address invaild
• Fix ANSI code to UNICODE (or both avaliable)
• Add more description

Known bugs:

• Unable to uninstall hidden start up process

SHA1 and file size of download:

tool.zip(37.2 kB):B93CD64F2CE03C8658646CF72D1F6DA73FE97955 tools.zip(41.4 kB):8C73E4C1BAA70E39DFF290DCB70D14EE8E5E78CD