Temperature effects improvement

Closes #36
Fixed the spares container bug

Fixes #39 (the spares container doesn't check the distance in the
settings).
Closes #40 (default distance increased to 2m)
Removed spare parts from probes

Fixes #38: unmanned command pods won't receive spare parts anymore.
The new cfg patch supports pods up to a crew capacity of 7 members.
Tanks ignore empty resources

Closes #33 (tanks now ignore empty resources).
The atmospheric density is now used as LambdaMultiplier for control
surfaces.
Merge pull request #41 from Ippo343/Alpha4

Alpha3.3