A small fix for a number of abilities which were showing up as cross class abilities. Thanks to Xpand.

Fixes for a number of issues with sitrep related abilities.

• Figured out a fix for the Two Heads are better abilities, the associated sitrep should work correctly now.
  
• High winds changed localisation to explain the effect a little more clearly - no change to the actual ability.
  
• Hunting Grounds now only grants Squadsight, Long watch was causing issues.
  
• Charged Atmosphere has been reworked behind the scenes to do what it was intended to do.

Small change to reduce redscreens caused by a few experimental sitrep effects.

Thanks to folks in comments for bringing the issue to my attention. I'll take another look at it over the weekend.

A small fix to stop the abilities showing up in your soldier's cross class abilities.
Thanks to @Jason for the report.

Bug fixes hopefully.
-Sitreps should now display their effects correctly.
-Probably fixes hangs on mission generation, I've altered some of the exclusions on sitreps to reduce the likelihood of a hang occurring.
-For those of you having issues with LWOTC specifically, LWOTC has had an update which should eliminate hangs completely.

Big thanks to Tedster, Mr.Mister and the LWOTC folks in general who did most of the work of isolating and understanding these issues.

I've been getting reports about Grim Conditions being just the worst. I made some alterations to tone it down some time ago.

I get reports it is still awful and take a second look at the code. The second effect that triggers in certain biomes;
triggers. every. turn....

That is now fixed. My sincere apologies for putting you all through that.

Thanks to fritz and jahsinha for reporting the issue and convincing me to take a look at the code.

Toned down the negative effects of the following sitrep associated abilities:
SAVSIT_HighWinds
SAVSIT_ChillingWinds (Used in Grim Conditions)
SAVSIT_CloseTerrain

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A change to the ability associated with Rough Insertion means if you roll damage, it now bypasses shields and armor. Bring a medkit!