Removes merc. RIG, fixes map bugs.
Removed mercenary RIG from the nukeop station. Swapped floor tile in one of the pens on wizard station for the correct one. Fixed nukeop shuttle transit 'space' turfs that had incorrect texture. Made nukeop transit 'thrower' object line symmetrical.
Fixes handle_organs() being called twice in Life()
Fixes #6240
Fixes #7406
Fixes (at least some) of the recursive power-drain crash issues.
Merge pull request #7462 from mwerezak/life

Human Life() fixes
Removes ninja mask, fixes ninja internals
Merge pull request #7459 from Amunak/level2-fixes

Removes mercenary RIG, fixes Z-level 2 map bugs
Merge pull request #7460 from mwerezak/stance

 Fixes #7406
Reverts admin log colour.
Makes asay purple again.
Makes admin log messages bold again.
Makes 'other' PM colour way darker.
Merge pull request #7468 from Amunak/patch-1

Reverts admin log format, fixes colours
Species use a list for unarmed attack types
Fixes broken piping

Replaces round-start broken piping with endcaps, lines up atmos UPAs.
Fixes intercooler piping preventing the h/e from doing much cooling.
Span classes
Fixes error in rig voice-changer message
Merge pull request #7466 from GinjaNinja32/ninjas

Removes ninja mask, fixes ninja internals, fixes non-ninja voice changer
Merge pull request #7463 from mwerezak/map

Dev-freeze map pipe fixes