moved translations for DBStats plugin to its own language files, as it will be moved to its own repository
added translations filter for empty translations
added translations filter to filter by available base translations
added translations filter to filter by matching placeholder counts
added translations filter to filter unnecassary whitespaces and linebreaks
added translations filter to filter encoded entities
added translation validators
moved translations for VisitorGenerator plugin to its own language files, as it will be moved to its own repository
moved translations for SecurityInfo plugin to its own language files, as it will be moved to its own repository
fixed doc block comments
no need to remove unrequired files, as they won't be in download package anymore (removed on otrance server)
added api method to get translations for given plugin
better naming
moved clean method to Translate instead of TranslationWriter
completely refactored TranslationWriter to Translate\Writer
- it's now able to filter/clean translations, which shouldn't be done in tests only
- uses the new Translate\Filter and Translate\Validate classes
- is now able to write the files, and not only return data and path to write
fixed filename
code improvements; added missing tests
removed plugin translations
fixed languagesmanager tests to use new translate\write
code cleanup / improvements