LPS-47291 create new util class to contain all DL validation logic
LPS-47291 move `isValidName` and `validateDirectoryName` into new class
LPS-47291 remove usages of deprecated methods
LPS-47291 extract method to validate source file name extension
LPS-47291 extract method to validate the version label
LPS-47291 make all file size validation consistent
LPS-47291 move file size validation out of DLStoreImpl
LPS-47291 extract file name and extension validation to DLValidation
LPS-47291 rearrange code to avoid duplicate file version validation
LPS-47291 Move the class to portal-service because otherwise it's not accessible from DLValidationUtil
LPS-47291 rename DLValidation* to DLValidator*
LPS-47291 Include missing places
LPS-47291 Ran ant format-javadoc
LPS-47262 SF