Additional SM bugs(hopefully) quashed

Fixed(?) disposal issues.
Hopeful fix of supply packs, commented out the shard until it's fully functional.

Please report any continuing wonkiness I can't reproduce!
Meters and Power!

Power computers properly wired, 100% for sure!

Meters added after suggestion to engineroom, 4 of them!
Resolved door access to the core!

E-EVA has also had it's access reviewed, and the SMESes.
Merge pull request #3929 from Nanai/dev-freeze

Additional SM bugs(hopefully) quashed