Alpha 4 patch 7 hotfix 3

Added/changed:

• Slightly slowed down the shoes production

• Now showing a reminder over a house put on hold

• Can now enable/disable seasonal hiring per building (also fixes some problems with "Apply to all")

Fixed:

• Another case of white lines during bridge construction

• The resource wasn't delivered to granaries and trading posts if it's being bought from citizens

• It was possible to mix different types of trees in an orchard

• Some stone deposits were not recognized by the miners (problem will stay in older saves)

• Fishing boats tended to take suboptimal paths on Map 1

• Another crash after demolishing buildings

• A possible cause of start-up issues on Intel videocards