Basic Configuration for bonus types

* introduced new handler BonusTypeHandler
* config\bonusnames.json converted to common format and splitted info main and localizable parts
* hanlders initialization refactored

lib/IBonusTypeHandler.h

@@ -0,0 +1,25 @@
+/*
+ * IBonusTypeHandler.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+ 
+#pragma once
+
+class IBonusBearer;
+struct Bonus;
+
+///High level interface for BonusTypeHandler
+
+class IBonusTypeHandler
+{
+public:
+	virtual ~IBonusTypeHandler(){};
+
+	virtual std::string bonusToString(Bonus *bonus, const IBonusBearer *bearer, bool description) const = 0;
+	virtual std::string bonusToGraphics(Bonus *bonus) const = 0;
+};