Buildsystem/Linux: Deprecate and remove use of FindTermcap.cmake - it was only used as a solution for older CentOS versions

Core/Genrevision: Move defines from SystemConfig.h file into into revision.h (might need a rename now?) and delete it.
This should remove the infamous "rebuild all of game plzkthx"-symptom when upgrading to newer revisions.

--HG--
branch : trunk

src/server/game/Chat/Commands/Level0.cpp

@@ -18,6 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
+#include "revision.h"
+
 #include "Common.h"
 #include "DatabaseEnv.h"
 #include "World.h"
@@ -27,8 +29,6 @@
 #include "ObjectAccessor.h"
 #include "Language.h"
 #include "AccountMgr.h"
-#include "SystemConfig.h"
-#include "revision.h"
 #include "Util.h"
 
 bool ChatHandler::HandleHelpCommand(const char* args)

src/server/game/Chat/Commands/Level3.cpp

@@ -44,7 +44,6 @@
 #include "TargetedMovementGenerator.h"
 #include "SkillDiscovery.h"
 #include "SkillExtraItems.h"
-#include "SystemConfig.h"
 #include "Config.h"
 #include "Util.h"
 #include "ItemEnchantmentMgr.h"