BServer/BApplication: added constructor for looper name.

* Added an extra looperName argument to the private BApplication
  constructor that BServer is using.
* This is now used to fix the ugliness that gave the registrar
  a different looper name, and even saves a string comparison.

headers/os/app/Application.h

@@ -101,6 +101,7 @@ private:
 	friend class BServer;
 
 								BApplication(const char* signature,
+									const char* looperName,
 									bool initGUI, status_t* error);
 								BApplication(uint32 signature);
 								BApplication(const BApplication&);

headers/private/app/Server.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2005, Haiku.
+ * Copyright 2005-2015, Haiku.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -8,16 +8,22 @@
 #ifndef _SERVER_H
 #define _SERVER_H
 
+
 #include <Application.h>
 
+
 class BServer : public BApplication {
 public:
-	BServer(const char* signature, bool initGUI, status_t *error);
+								BServer(const char* signature, bool initGUI,
+									status_t *error);
+								BServer(const char* signature, const char*
+									looperName, bool initGUI, status_t *error);
 
-	status_t InitGUIContext();
+			status_t			InitGUIContext();
 
 private:
-	bool	fGUIContextInitialized;
+			bool				fGUIContextInitialized;
 };
 
+
 #endif	// _SERVER_H