Silent Sky RC4

- Adjusted tank vaccinator shields to be higher to avoid little bit of clipping they had on tank model.
- Bullet vac tank now resists arrows, lasers and sentry bullets.
- Minor .nav file adjustments, please get new one from dropbox if you're updating.
- Don't forget to change "rc3" to "rc4" in mission names to port missions on newer version.

Silent Sky RC3

- Tried to fix some places where money could get stuck.
- Added vaccinator tanks from mvm_calico, which were made by Tumby & Izotope
- Added 30s and 45s bombs which can be selected through relays in mission (Only 1 can be active at a time)
- Spoiler mechanic on the front now got possibility of pseudo random placement.
- Fixed nav for sentry busters, now parachuting busters shouldn't suicide when dropping down.
- Many small things for mission makers, check aerial stupidity rc3 popfile to see what's there. I tried to make it more easy to read as well. well, i tried!

Silent Sky Release Candidate 2:

- Added "nav_right" and "nav_flank_routeother" flank pathes for bots,

- Fixed certain ramp being non solid for bullets and projectiles.