Rcbot2 Ted

- snipers fixed
- spies backstabbing improved
- default rcbot_anglespeed value reduced to 8
- spy notice time reduced significantly
- spies plan to backstab from afar

fixed path-finding bug
more provision for pipe trap code

provisional code for detecting sappers and pipe traps for demos

0.545 beta!
- fixed with latest Tf2 update
- engi's build teleporters again
- bots use teleporters again
- improved engineer building detection

TF2 update , Fix engineers building, however they won't build teleports and won't use teleports because of SDK change

*** no useful changes *** (just provisional coding for new stuff)

- bots go back to capture point or flag if taken

- allowed addtions of editing up to four waypoint types at once
- rcbot waypoint add <type 1> <type 2> <type 3> <type 4>
- rcbot waypoint givetype <type 1> <type 2> <type 3> <type 4>