Initial commit for telescience which uses projectile trajectory to obtain a destination coordinate.
Merge branch 'master' of https://github.com/tgstation/-tg-station into tele_sci_change
Telescience now uses projectile trajectories to calculate the tile to teleport to.
The user can set a rotation (the direction the teleport will send him), the power (the amount of power the telepad will use, basically the x velocity) and the angle (which is the y velocity).

The random factor is that the power is randomly offset everytime you recalibrate the telepad.

There is a delay between each use of the teleport, which is calculated by the time it takes for a projectile to hit a destination.
There is also a delay determined by the amount of power you use.

Added a manual for telescience, which links to the wiki.
Added a changelog.
* Renamed rotation to bearing.
* Renamed angle to elevation.
Merge branch 'master' of https://github.com/tgstation/-tg-station into tele_sci_change

Resolved Conflicts:
	code/__HELPERS/game.dm
 * Added sound effects for charging and teleporting.
 * Cleaned up the UI so it doesn't move around.
 * You can now enter -90 into the bearing to get 270.
GPS will now uppercase all new tags.
Elevation now starts at 45 degrees.
Changed the distance measurement from feet to meters.
GPS will now take the first 4 characters, instead of rejecting large texts.
Merge pull request #1737 from Giacom/tele_sci_change

Telescience now uses projectile trajectories to calculate the tile to teleport to! [MAP]