Ling sting usability improvement

Tested - it works
Updated SSU sprites and update_icon proc
Vendor fixes

Fixes some bugs, makes vendors drop refillers on deconstruction and
generally use refillers more
Changed uplink description
Meh looks like I Forgot to revert.
Removed uranium cost from floral somatoray
Adds the two implants currently availble to traitors not in the implant bundle to the implant bundle.

Even with all this, it's still a pretty underwhelming bundle.
Enables addition of chemicals to protolathe.
Adds chemical storage interface to protolathe.
Fixes "purge" button for individual chemicals in the circuit imprinter doing nothing.
Adds radium reagent cost to floral somatoray.
Renames the "freedom" bundle the "implant" bundle cause that's what it is, man.
The freedom implant is now shrugs only, and the emp implant can now not be shrugs.
The freedom implant now has an assured 4 uses instead of rand 1 to 5 because... why?
Adds an explosive implant to the bundle, and labels it since there's a good chance the traitor would rather use it on someone else instead of themselves.
No F U C K S given.
Fixed origin_tech in manipulator items
Fixed origin_tech in pacman circuitboard
Removed redundant origin_tech declarations

Some of them were misspelled, too.
Merged two lines with origin_tech

One used to overwrite the other.
Replaced empty string with null in origin_tech

Changed it to keep in line with what seems to be a standard.
Changed toy double saber's origin tech to null
Fixed origin_tech in lesser scroll
Fixed origin_tech in both weapons
Fixed origin_tech in experimental welding tool
Long overdue fixes to the Polaroid cameras.

- Mobs lying down are captured properly.
- Hair and other coloring is captured properly.
- Darkness is now captured, though other area effects are not.
- Object layering is much more accurate, though still not perfect.
- Objects that were missing should now be visible.
- Objects that should not have been visible should now be gone.
- Some objects (like blood trails) are not yet captured properly.
Increases some stat defaults for hydroponics plants. Allows banana potency to be set. Better documentation of variables.