PrgOptionProcessor: Minor changes in fedback and processing of the user provided list of volume patterns
PrgOptionProcessor.cxx: It is better to specify default name patterns for Sti volumes when options are defined. The user provided values overwrite the defaults
PrgOptionProcessor: Added command line option to process a single volume pattern
PrgOptionProcessor: Protect from user's mistakes in regex expressions
Split and renamed the hftree branch "e" to "e." to allow for disabling of select sub-branches