Player changes:

- reimplemented & improved player inventory
- now player has "Action2" which means he can interact with the
environment
- added weapon energy cost
- updated player action interface

src/components/basic/InventoryItem.cpp

@@ -0,0 +1,36 @@
+/*
+ * InventoryItem.cpp
+ *
+ *  Created on: Dec 11, 2016
+ *      Author: tibi
+ */
+
+#include <components/basic/InventoryItem.h>
+#include <iostream>
+
+namespace farmlands {
+namespace components {
+namespace basic {
+
+InventoryItem::~InventoryItem()
+{
+}
+
+model::Component* InventoryItem::clone()
+{
+	InventoryItem* item = new InventoryItem();
+	item->slot = slot;
+	return item;
+}
+
+void InventoryItem::dump(unsigned level)
+{
+	for (unsigned i = 0; i < level; i++)
+		std::cout<<"    ";
+
+	std::cout << "  .Component: InventoryItem slot=" << slot << "\n";
+}
+
+} /* namespace basic */
+} /* namespace components */
+} /* namespace farmlands */