-changes in EntityAlocator

* renamed to BlockAllocator
 * now it's template with compile time assingable block_size and block_in_allocation variables
-WIP Event management
 * probably working sendSelfEvent()
 * registerEvent()
-added win_dll.d as Windows DLL require functionality

source/win_dll.d

@@ -0,0 +1,30 @@
+module win_dll;
+
+version(Windows):
+
+import core.sys.windows.dll;
+import core.sys.windows.windows;
+
+extern(Windows) bool DllMain(void* hInstance, uint ulReason, void*) 
+{
+    switch (ulReason)
+    {
+        default: assert(0);
+    case DLL_PROCESS_ATTACH:
+        dll_process_attach( hInstance, true );
+        break;
+
+    case DLL_PROCESS_DETACH:
+        dll_process_detach( hInstance, true );
+        break;
+
+    case DLL_THREAD_ATTACH:
+        dll_thread_attach( true, true );
+        break;
+
+    case DLL_THREAD_DETACH:
+        dll_thread_detach( true, true );
+        break;
+    }
+    return true;
+}