bug #1086 Fixes #1068 by checking if translation file exists before adding it as a resource (CarsonF)

This PR was squashed before being merged into the 1.2 branch (closes #1086).

Discussion
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Fixes #1068 by checking if translation file exists before adding it as a resource

Some locales (such as turkish) don't have translation files, which causes errors.

Commits
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965f5896 Fixes #1068 by checking if translation file exists before adding it as a resource