.gitignore updates for generated files
.gitignore updates for generated files

Ignore files created by packaging, builds, etc.

Change-Id: I9c1eed8c9791548b46e1532b345d80f3d84d4890
Signed-off-by: Doug Hellmann <8c845c26a3868dadec615703cd974244eb2ac6d1@dreamhost.com>

openstack/oslo.i18n,varunarya10/oslo.i18n