Unisec Keypads and Fading Doors

#Changes:#

1. Added permanent keypads
2. Added keybind output
3. Added permission for targeting non-props
4. Added permission to edit keypads not owned by the player
5. Added different keypad cracking speeds for different usergroups
6. Added fonts to the download list
7. Moved tool language to the config file for accessibility
8. New configurable usage delay between access-granted's
9. Keypads now freeze when placed.
10. Keypad info menu can be opened by reloading the tool.
11. Toggle door is now enabled by default when timed doors are disabled.
12. Other bugfixes

#Changed Files:#

1. lua/sh_usec_config.lua
2. lua/autorun/unisec.lua
3. lua/unisec/sv_unisec.lua
4. lua/unisec/sv_permadoor.lua (added)
5. lua/unisec/cl_unisec.lua
6. lua/unisec/vgui_dooroptions.lua
7. lua/entities/uni_keypad.lua
8. lua/weapons/gmod_tool/stools/secdoors.lua
9. lua/weapons/weapon_uni_cracker.lua
10. resource/fonts/agencyb.ttf
11. resource/fonts/agencyn.ttf
12. resource/fonts/ocrastd.ttf

** Thank you everyone for your patience while I was away on vacation. You guys are the best! (It was a blast, by the way.) Enjoy the update, and if you find any bugs please let me know. I think bugs are delicious. **