Emergency welder added, toolboxes contents changed a bit

Added two new spriters for welders - emergency welding tool sprite (by thunder12345) and industrial welding tool sprite (by DiUsTin). Added emergency welding tool to emergency toolbox. It holds two times less fuel than regular welder.

Sprites:
http://www.ss13.eu/tgdb/sprites/w/thunder12345/new_tools.dmi - emergency
http://forum.ss13.ru/index.php?app=core&module=attach&section=attach&attach_rel_module=post&attach_id=647 - industrial

Other changes:
* 25% chance to spawn a multitool in electrical toolbox
* Red crowbar damage buffed a bit, from 5 to 8
* Added me to admins.txt
* Replaced welder in syndicate toolbox with industrial welder
* Replaced crowbar in syndicate toolbox with red crowbar
* Replaced random color cable coil in syndicate toolbox with red cable coil