1.0.1:
    - First version of Reviews
    - create_reviews_table.php
1.0.2: Fix getting value from empty rating
1.0.3:
    - Add review categories
    - create_categories_table.php
    - create_review_category_table.php
1.0.4: Add support for RainLab.Translate
1.0.5: Add category permissions
