Added pictures for all the different stamps in the game to show them on paper.
Changed the way stamps are displayed in html (no <HR> between them, only one at start).
Made the QM and law office stamps unique (and changed them in the maps).
Made the default stamp a "granted" stamp.
Added a "granted" stamp and paper_stamp sprite (green checkmark).

Signed-off-by: Kyrah Abattoir <github@kyrahabattoir.com>
Changed the QM stamp in MetaStation.
Fixed a typo with the qm stamp in tgstation.
Fixed the captain stamp looking more like approvel than approval, damn pixels.
Merge pull request #483 from kyrahabattoir/gui_stamps

[MAP]Graphical stamps on documents.