Fixes some printouts causing a runtime error when photocopied
Fixes bright pixel on tajaran head icons
Fixes #5184, is a master-PR of  #5173.

Adds missing air distribution pipe under hologram pad in the research department.
Adds missing air distribution pipe under hologram pad by patient isolation C in medbay.
Adds missing air distribution pipe under the door between the captain's office and maintenance section.

Tries to bring some order to the cargo air distribution network that was a complete mess.
Fixes shoulder holster
Merge pull request #5189 from GinjaNinja32/holsterfix

Fixes shoulder holster holstering
Merge pull request #5177 from mwerezak/tajaran-icon

Fixes bright pixel on tajaran head icons
Merge pull request #5175 from Hubblenaut/master

Fixes some printouts causing a runtime error when photocopied
Merge pull request #5185 from PsiOmegaDelta/MorePipesMaster

Fixes #5184