Add i18n translation to guestagent 3/5
Add i18n translation to guestagent 3/5

This is 3 out of 5 commits that will add i18n translation to the
guestagen directory.

Custom hacking rules will be added later to enforce this style.

Change-Id: If632727fd29ec8d36c6890ebd156a46be70ba783

zhangg/trove,openstack/trove,zhangg/trove,hplustree/trove,hplustree/trove,openstack/trove