1.2.0 fake beta

great update:

• rewrite few infomation, optimize code structure, simplify and combine arrangement, adjust some details
• add check system sort prompt
• add check root user prompt
• add check virtualization sort prompt
• add check repeatedly download function
• add 'compile tcp_nanqinlang.ko with your own kernel version' function via start command'
• modify install determination logic details
• modify all work place folder to current directory
• modify all output files as tcp_nanqinlang_{install|start|status|upgrade|stop}.log
• modify sysctl.conf method to adding three settings instead of replacing sysctl.conf as my own version
• modify stop command running mode to will only remove tcp_nanqinlang settings in sysctl.conf
• fix no determinate ervironment function issue in all command mode
• fix install command not remove current kernel and not install new kernel issue
• fix upgrade command can not run normally issue