[refactor] extract often used classes from lib\NetPacks.h to separate header - less dependecies on whole packets class tree

[mingw build] fix linking issues with netpacks. 
Mingw build is finally fixed! 

[c::b] update projects

[config] fix and cleanup spell_info.json

lib/NetPacksLib.cpp

@@ -15,9 +15,6 @@
 #include "BattleState.h"
 #include "CTownHandler.h"
 
-#undef min
-#undef max
-
 /*
  * NetPacksLib.cpp, part of VCMI engine
  *
@@ -28,12 +25,9 @@
  *
  */
 
-#ifdef min
 #undef min
-#endif
-#ifdef max
 #undef max
-#endif
+
 
 std::ostream & operator<<(std::ostream & out, const CPack * pack)
 {
@@ -1484,6 +1478,16 @@ DLL_LINKAGE void ObstaclesRemoved::applyGs( CGameState *gs )
 	}
 }
 
+DLL_LINKAGE CatapultAttack::CatapultAttack()
+{
+	type = 3015;
+}
+
+DLL_LINKAGE CatapultAttack::~CatapultAttack()
+{
+	
+}
+
 DLL_LINKAGE void CatapultAttack::applyGs( CGameState *gs )
 {
 	if(gs->curB && gs->curB->siege != CGTownInstance::NONE) //if there is a battle and it's a siege