Merge mattkiefer's branch 'tcr'

[benlk]

This is a WIP PR just so I can see the diffs.

Changes

• Add commented-out new spreadsheet IDs
• change production/staging ids in tarbell_config.py
• comment out the boundary service call in get_data.py
• comment out the geocoder in geocode_addresses() in lib/geocode_addresses.py
• comment out some field mappings for Officers, and add latitude and longitude field mappings
• comment out the timestamp field mapping for Victims
• comment out a number of per-case keys that would otherwise be removed from the case
• remove a bunch of stuff from the case search form.
• better error handling
• Include instruction to install Grunt
• Updates URL from bitbucket to Github
• updated versions of assets/

Why