Stock Market Addon | Control your economy

Additions

1. Added redundancy for bad migrations
2. Added command to validate availability of markets, "(! or /)validateavailability" (if migration has gone bad, you will need to run this command)

Fixes

1. Fixed migration from pre 2.0 versions
2. Fixed so you don't need to install the font on your machine for fonts to work

Updates

1. Updated workshop material files