Part 1 of proper fix for issue #563

Implement ILiquidTank getTank properly.
Part two of proper fix for issue #563

Implement ILiquidTank getTank properly
Registered Pipe items with FML

This will cause the mismatched id warning to display once for existing
worlds. It should be ignored.
Merge pull request #581 from bculkin2442/master

Proper PR for issue #563 - dont make me fix it next time
Fixed last commit cause the PR was lazy
Added a failure check by https://github.com/nallar
Merge pull request #605 from viliml/patch-10

Added a failure check
Update Forge req