[ixpmanager] install IXP Manager

[Nick Hilliard]

HASSANE SAVANE wrote:
> I sent you the attached print screen of the error that appears;

An "unexpected error" means that the error that caused this problem has
been logged in the IXP Manager log file.  This file is located in a
subdirectory of your IXP Manager installation, in the
IXP-Manager/var/log/YYYY/MM/ directory, where YYYY is the year (2016)
and MM is the month (08 for august).  Please post the error that appears
at the end of the most recent log file.

Nick