Mimic Rails missing translation new display behaviour (wrap the translation key in a <span> element)
Keep display for humans consistent with previous localeapp gem versions
Fix inclusion on class method in exception handler
Add html_safe to missing translation wrappers
Add an entry to CHANGELOG
Merge pull request #130 from michaelbaudino/mimic-rails-missing-translation-display

Mimic rails missing translation display
Merge branch 'master' into release-0.6.15