OstapHEP/ostap: v1.7.0.0

v1.7.0.0 New features: add opton for parallel file copy add arrgument parallel=FalseforFiles.copy_files` add roo_cuts argument for SelectorWitjCuts and `make_dataset add new test for counters imporve numerical precision for counters add TChain.parallel_fill (new name for TChain.pprocess) add TChain.fill_dataset1 add TChain.fill_dataset2 add TChain.fill_dataset Backward incompatible Bug fixes: bug fix in WStatEntity::add for onitialization shortcu