Adding replace in main composer.json and autoloaders for the split packages

composer.json

@@ -40,6 +40,7 @@
 		}
 	},
 	"replace": {
-		"cakephp/collection": "self.version"
+		"cakephp/collection": "self.version",
+		"cakephp/event": "self.version"
 	}
 }

src/Collection/composer.json

@@ -8,5 +8,10 @@
             "homepage": "http://cakephp.org"
         }
     ],
+	"autoload": {
+		"psr-4": {
+			"Cake\\Collection\\": "."
+		}
+	},
     "minimum-stability": "beta"
 }

src/Event/composer.json

@@ -8,5 +8,10 @@
             "homepage": "http://cakephp.org"
         }
     ],
+	"autoload": {
+		"psr-4": {
+			"Cake\\Event\\": "."
+		}
+	},
     "minimum-stability": "beta"
 }