Updating README to include make install command and command to set IEGENLIB_HOME in bash
Updating README to include make install command and command to set IEGENLIB_HOME in bash

CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib,CompOpt4Apps/IEGenLib