[NF] Exporting Member Details

See: https://github.com/inex/IXP-Manager/wiki/Exporting-Member-Details
[BF] (Very) stale reference to older code
Version bump and changelog
Merge branch 'master' into im-customer-ixps

Conflicts:
	CHANGELOG.md
	application/views/statistics/list.phtml
	library/IXP/Version.php
Fix merge conflicts