Posters and Poster Accessories
A few more posters because why not

Adds 4 more posters
Merge pull request #2 from NTStation/master

Keepin up wit the johntons
crew xfur
done
alarm changed
double agent shit
meta
added empty gun noises
new suit sensor and give code
Merge pull request #744 from paprka/soundsstuff

Added empty gun *click* noises
stupid
cool
Merge pull request #733 from paprka/autoxfer

Adds crew transfer shuttle voting and auto vote creation
crying
Replaces defines Mutations with /datum/organic_effects a new Mutation/Power/Effect system.
Merge pull request #746 from paprka/hoscoat

Winter coats/jackets no longer have thickmaterial flag.
Merge pull request #747 from RemieRichards/organic_effects

Organic Effects, a replacement Mutation "system"
Changelog for organic_effects
Merge pull request #748 from RemieRichards/changelog_organic_effects

Changelog for organic_effects