removed unneeded overrides in blockthatch
Merge pull request #568 from ProgrammerHero/thatch

[0.79] Removed unneeded overrides in BlockThatch
Berry Bushes can be harvested with Left-Click.
Birthdays replace the day of the week text instead of the date.
Single and Double metal sheets can now be melted back down.
Crucible accepts stack of items in input slot. If temp is hot enough, will melt one item every 2 seconds.

Output slot still only accepts a single fired mold.
Replaced "Not Full" with unit count in partially filled molds.
Fixed memory leak
merge amazing bugfixes from bioxx