Fixes (by The_Bob):

- Fixed random freeze on win8/10
- Fixed crash on mercs entering sector
- Fixed crash when using cover display (del/end)
- Fixed attachment popup showing incompatible attachments (crash/freeze/confusion on clicking the option)
- Fixed attachment popup positioning
- Fixed LBE contents corruption/deletion
- Fixed access violation (out of array bounds) in interrupt code
- Fixed a bunch of random old stuff
- Got the project to build on VS2015
- Improved popup class handling of grayed out options
- Improved performance of get item assignment check (added by Flugente)
- Added Ctrl+Space bind for testing/fixing broken LBE contents


git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8399 3b4a5df2-a311-0410-b5c6-a8a6f20db521

SaveLoadGame.cpp

@@ -3259,7 +3259,7 @@ BOOLEAN OBJECTTYPE::Save( HWFILE hFile, bool fSavingMap )
 		}
 		if (this->IsActiveLBE(x) == true) {
 			LBENODE* pLBE = this->GetLBEPointer(x);
-			if (! pLBE->Save(hFile, fSavingMap)) {
+			if (!pLBE || !pLBE->Save(hFile, fSavingMap)) {
 				return FALSE;
 			}
 			//CHRISL: I've remarked this to resolve a problem when the autosave option is active where LBEArray info is