Change Glance to use i18n instead of gettextutils

Changing all Glance files to use i18n instead of gettextutils for log
translations.

Finishes bp refactoring-glance-logging

Change-Id: I90d6ab4f7e09f4e7591921f9526de6370ebdb789
Merge "Change Glance to use i18n instead of gettextutils"