Jupyter notebooks redundant meta data should not be checked in the repo

Current merges seem to include meta data and outputs in jupyter notebooks. This causes a problem as the number of iterations and outputs will differ in different developer environments. Think results of a random.rand or # of iterations. This requires using tools such as nbstrip_full to be used as precommit hooks in git so that unnecessary meta data is not checked in.

This issue can be resolved by:
1. Clearly documenting the procedure for using precommit hooks
2. Ensuring that the PR is not merged in the master branch if there is any meta data in jupyter notebooks.