A bunch of bug fixes

-fixed space ninjas not being able to charge directly from power cells - fixes #2139

-'fixed' Distro/Waste Monitors not displaying pressure read out when sensor was reading zero pressure - fixes #
227

-removed the canmove check on camera consoles - fixes #490

-Fixed stealmin's real ckeys showing in the admin-pm reply dialog's title - partially fixes #2163

-Fixed people buckled to chairs not dropping their items when appropriate (like when dead) - fixes #2172

-Fixed people being able to use uplink functions whilst stunned/dead/etc - fixes #2144
Added syndicate playing cards. As a consequence card code now supports multiple deck styles.
admin self
Fixed some stupid snowflake in card attacking
Merge remote-tracking branch 'origin/master' into inb4gambittraitor
Added a deck of syndicate playing cards to the Syndicate Mothership.
Asteroid/Mining Mobs ver 1
Merge branch 'master' of https://github.com/tgstation/-tg-station into Miningmobs
Ling transform fix

Fixes #2401

The One DNA Datum was thrown into volcano
Merge branch 'master' of https://github.com/tgstation/-tg-station
Change cult see and drug checks for see_invisible
Refactored card code to remove copypasted variable assignment. Card objects are now children of /obj/item/toy/cards.
Fix to seer rune.
More clear comment
Added one more else to glasses
Husking someone as a changeling will now display the victim's notes.
Gibbing now occurs in whatever the mob happens to be in, instead of fetching the turf.
Fixes #2456 by moving the code which transfers the reagents to ready_proj()
Removed excluded obsolete files.
Adds a new option to view variables which allows you to add reagents, useful for debugging reagents.
Added add_reagent_list, a useful proc if you want to add a lot of reagents from a list.
Make create_reagents delete() any existing reagents, to help avoid memory leaks.
Larvae who chestburst while their host is swallowed are now properly added to stomach_contents, so they can be regurgitated.  As are the gibs from the gibbing.
Tidied up the loop in alien_powers.dm
Mining Mobs - More mob behavior overhaul, kinetic gun tweaks, etc