Updated normalizers to use Matid and combined symmetry, system type and system normalizers into one normalizer.

Refactored client code. Refactored repo_db test setup/teardown. Added migration index functionality.

Changed the gui to reflect delete and commit running as processes. Overhawled gui API error handling. Improved the upload view.

Fixes to bravado client. Separation of admin commands into api resources. Minor backend changes.