Add eclipse project files to .gitignore
Add eclipse project files to .gitignore

Like some of the other projects (nova, heat) ignore eclipse
project files, for those people that work with eclipse (yuck :)

Change-Id: Ifbb5762b6e16b315f4066ceff35e85d2ac6f990f

varunarya10/oslo.i18n,openstack/oslo.i18n