Merge pull request #59 from QTC-UMD/fixing_notebooks_again

Fixing notebooks again

Author: dihm

docs/source/changelog.rst

@@ -17,6 +17,7 @@ Improvements
 - Improve scannable parameter handling so that all sequences are saved to the graph as numpy arrays.
   Also ensures proper handling of length-1 and length-0 sequences.
 - Modified the `about` function to provide numpy's BLAS/LAPACK backend information.
+- Updates stale example notebooks to incorporate v2.1.1 bugfixes
 
 Bug Fixes
 +++++++++