Wrap each table creation in the 1_* migration with try/catch blocks.

Wrap each table creation in the 1_* migration with try/catch blocks.

Going from FW_3 to H4, these initial migrations will fail due to the tables already existing.
Wrap the initial table creation so we can catch these errors...at least for now, until we come up
with a more formal strategy for bootstraping FW_3 upgrades...