[Windows Agent] Silent install

Installation gui mode
==========================

Double click 'install.exe' file.

Installation silent mode
==========================

On the command prompt, run the command as follows:

> install.exe /S /IP=<server ip> /IP2=<server ip2> /PORT=<server port> /D=<install directory>

ex)

> install.exe /S /IP=1.1.1.1 /IP2=2.2.2.2 /PORT=18575 /D=C:\Program Files (x86)\insightVew\ivmagent

------------------------------------------------------
 /IP : ip of insightVew server
 /IP2 : ip of insightVew server2
 /PORT : port of insightVew server (default: 18575)
 /D : destination directory for install
------------------------------------------------------