Languages in the event module are selected from a predefined list
Translations of evaluation questions, recommendations and impressions are done
Certificate templates for brands: work in progress
Certificate templates for brands
 - templates could be added/deleted
 - templates could be viewed
Certificate templates for brands
 - new language-related templates are used during a certificate generation
 - small refactoring
Refactoring is done. All old code with translation kept in the message file is gone
Fixes after code review
Merge pull request #115 from HappyMelly/169-evaluation-certificate-translation

Evaluation/Certificate translation