Patching known bugs with empty tables

• Switched from cgi.escape to html.escape to get around versioning issues
• Resolved issue getting users when People table is empty

New lpGBT Schema and Current Draw Test

Updated lpGBT info to use new schema
Added data for the Current Draw test
Bug fixes

HD Wagon and Engine Support, Label Authority Submodule

Added the repository hgcal-label-info which houses the label_authority module as a submodule of the repository
Added a page to search for boards based on their testing status, location, etc
Fixed some issues pertaining to updating the options of a widget when another widget is changed
Added better readability to board lists to prepare for HD Engines and Wagons
Reworked bokeh tools to be able to filter by Major Type
Added upload API for Test stand Configuration Information
Added viewing for the test stand information
Removed some old and redundant pages
Added information in the database linking the primary lpGBT chip id to the engine and the python support for this
Fixed some bugs with the Wagon and Engine Webpages
Removed static files from cgi-bin.
Removed images and archaic files from current repository.
Reworked bokeh features to no longer use .csv files. They instead pull live from the database upon loading the webpage and the data is loaded directly into pandas dataframes.