"alexand submitted ResourceManager with tag master for tdaq-99-00-00"

=== ResourceManager ===

ATDAQCCRM-87 Fixed bugs in multimap.equal_range empty detection (Igor Alexandrov) remove duplicated line in check script (Igor Soloviev) add check for bad names in backup files to explicitly verify ATDAQCCRM-87 and similar (Igor Soloviev) clean up code: 1. remove unnecessary std::shared_mutex so_mutex used for backup since its critical sections are fully protected by m_mutex 2. remove unused allResources() methods 3. simplify RM_Impl::hasResources() method 4. simplify getResourceOwners() and getPartitions() implementation using modern c++ style (Igor Soloviev)