Includes DB changes you need to log all terminals out during upgrade

Version 4.890 was supposed to include the following changes but what was deployed didn't actually include them. This update backfills / fixes this up. Specifics:

• v5 migrate tweaks to get more systems able to push through migration
• WS scheduler changes to deal with unusual issue with locks leaving gaps in schedule
• Improved pricefile import handling of barcoded entries

Bonus changes:

• KTM EPC import, working again.