add /usr to search path for GeoIP (Benny Pedersen)

for Gentoo support
Changes: updated
v1.20130612

 -  dmarc_view_reports: improve gentoo support by adding /usr
    to search path for GeoIP DBs on gentoo - Benny Pedersen
added 3 items to TODO
Merge branch 'master' of github.com:msimerson/mail-dmarc

Conflicts:
	Changes
	TODO.md