WIP: remove the old database abstraction layer

remove such classes:
- DbBase
- DbConn
- DbTextStream
- Db

while here:
- remove: TextStream, SLog, TexTextStream

winixd/functions/account.h

@@ -54,11 +54,11 @@ public:
 	void MakeGet();
 	void MakePost();
 
-	bool ActivateAccount(const std::wstring & login, long code, bool use_ses_log = false);
+	bool ActivateAccount(const std::wstring & login, long code);
 
 private:
 
-	bool ActivateAccount(User * puser, long code, bool use_ses_log);
+	bool ActivateAccount(User * puser, long code);
 	void ActivateAccount();
 
 };