medbot injection message now only bold red for target.

* adding span classes everywhere
* bold red message when the player is the one being injected/trying to be injected by medibot, otherwise just red message for other players.
small fix
Merge pull request #3478 from Jordie0608/unfastedagirlwhatdo

Fixed typo in grille fastening
derp
Merge pull request #3457 from phil235/MachineConstrmsgFix

Adds message after successfully unsecuring a machine.
Merge pull request #3493 from Miauw62/master

Revert "Merge pull request #3218 from AndroidSFV/aiphotoext2"
Fix for #3151

Removes the useless periods.
Removed some duplicated code
Merge pull request #3462 from Niknakflak/AIdeathcore

AIs.  New cores, death cores.
Merge pull request #3469 from phil235/HornStunFix

weapons with force below 5 now have no chance to knock down
Rebalanced as suggested
Fixed Hallucination Sting.

Now multiple stings will NOT stack.
Merge pull request #3459 from MrPerson/screen_deletion

Remove some unnecessary code of mine that's causing runtimes
Alien third party attack no longer bolded.
Monkey third party attack no longer bolded
AISatFixes
Fixes a typo.
adding missing comma
Merge branch 'master' of https://github.com/tgstation/-tg-station into magicmania1.6

Conflicts:
	icons/mob/items_lefthand.dmi
	icons/mob/items_righthand.dmi
Merge pull request #3448 from Ikarrus/lingchatlog

[Admin] Added logging for changeling hivemind chat