-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

dub.json

@@ -15,7 +15,10 @@
 		{
 			"name" : "tests",
 			"sourcePaths" : ["source\/","tests\/"],
-			"targetType" : "executable"
+			"targetType" : "executable",
+			"excludedSourceFiles":[
+				"source\/win_dll.d"
+			]
 		},
 		{
 			"name" : "dynlib",