* LSTM models from 1.x will be incompatible with MLA 2.x
* Adding a test and a new v2 model
* Make the Model Runner raise an error if using 1.0 model with LSTM
* adding a new model for hallway trained with 2.0
* reword error messages
* Only raise if error, not if warning
* Addressing comments: The legacy Barrauda memory generator and applier were removed. All code that checked for (memories + v1.X) have been removed since these will no longer be supported
* Modifying the changelog and the migrating guide with this change
* Fixing the merge issues
Co-authored-by: Chris Elion <chris.elion@unity3d.com>