Fix tests for translations, where missing in the po/mo files
Add original and post translation for compare for outside and inside smarty translation
Update documentation and only keep the git update path, the others are deprecated
Update phpunit to v11 and update tests according to this, including updated test template data file
Add the tools folder to git ignore
Update old block t data to match new block t class type
Test if we can load plugin parts, this is a side test for if we want
to not add them to the main Smarty load class
Remove old test source code, no longer needed
