New MINOR release 03.02.00
* support for ASCII registers in numeric addressed backends
* fix result of DataConsistencyGroup::update
also for MatchingMode::none, update method must return false if given TransferElement is not member
of the group.
Used e.g. in DoocsAdapter, for slowly updating process variables which
are have a macropulse source.
* Prepare DoubleBufferPlugin which handles double buffering of read transfers.
implement DoubleBufferPlugin and DoubleBufferAccessorDecorator
implement tests by using ChimeraTK::UnifiedBackendTest
Resolves github ticket 30 and 184 and Redmine ticket 7983