Added function to get shipment by name

If two or more shipments have no name, it will overwrite in the
shipByName table. Adding the name var to the validShipment check will
fix this.
Added onPaidTax hook

This is my first commit to any Github repo, I hope I've done this right
Fixed #1671
Fixed drawing of health when startingHealth ~= 100
Fixed #1673

You must reassign doors as nonownable for the fix to work.
Merge branch 'master' of github.com:smithy285/DarkRP
Added hook stub for onPaidTax #1672
Merge branch 'master' of github.com:fruitwasp/DarkRP
Merged FPP
Merge branch 'master' into workshop