Use a safe way to retrieve the reviewer_id with default value. Synapse clustering with bandwith parameter works again.
Revert "Added TableTools. Added export for CSV and PDF to measurement table"

This reverts commit 85fec9af5ccce6b654fd183e0c455d943cd63eef.

Conflicts:

	django/applications/catmaid/static/measurements_table.js
Remove print statement