Further JetPack Progress -> JumpPack

- Added Z limit to players (it's set for the map Level4, will be wrong
for other maps)

- Modified JetPack to JumpPack
- Press Space in air for a big boost. 4 second CD

- Modified Left air dash, a little bit more powerful
- Added Right air dash, same power as left

- Via Flowgraphs and CVars, added rumble feature to jetpacks to
stimulate shaking.

- Added InatheroUtilities, allows easy CVar access and modifies (only
for int/bool atm)

- New Folder: Flow graphs.
- Added my Level4 for testing.

- Some other shit, I forgot as usual