Map fixes

Removes duplicate pixel_[xy] settings.
Removes a lone air supply pipe.
Installs a pipe manifold in a mining airlock.
Merge pull request #6487 from PsiOmegaDelta/MapCleanup

Map fixes
Fixes #6488
Fixes #6503
Fixes #6401
Fixes #6466
Fixes #6495
Fixes #6484
Fixes #6474
Makes species mutation a bit easier.
Fixes #6325
Fix for potential infinite splint farming exploit in previous commit.
Fixes #5451  by stealing JimTheCactus' and VampyrBytes' work - thanks dudes.
Minor name fix from VampyreBytes/Paradise.
Merge pull request #6512 from Zuhayr/master

Fixes/ninja buffs.
Fixes #6351 and #6350.
Fixes #6297
Merge pull request #6515 from Zuhayr/master

Fixes
Merge resolution, replaced 2 wires lost in map merge.
Merge pull request #6516 from Zuhayr/dev

Dev