Hotifx

There was no credential check in excel builder, which caused a serious security issue - any logged in user could "dump" table (even if excel builder was not customized).
FIX templates generation (unknow filters / extensions)
FIX builders & force stable dependencies
Hotfix #2

Always render credentials check method
Hotfix #2

Always render credentials check method
Update Admingenerator.ru.yml

Fix Russian translation. The word "Object" ("Объект") is more correct and common then word "Material" ("Материал")
Small fixes in Russian translation 

Rename materials (материалы) to objects (объекты).
FIX template path loading error
Moving out templates files to LegacyBuildersBundle
Moving form layout to LegacyBuildersBundle