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