LP#1315525: Updating Makefile.install for Ubuntu 14.04. Removing lucid support.

Signed-off-by: Chris Sharp <csharp@georgialibraries.org>
Signed-off-by: Ben Shum <bshum@biblio.org>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
LP#1315525: Add trusty target and remove lucid from README

Signed-off-by: Ben Shum <bshum@biblio.org>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>