build: search headers in all source directories

* removed paths in include directives
* changed cmake to provide necessary header search paths
* changed name of version.h to productVersion.h due to name conflict

src/lib/data/graph/Token.h

@@ -4,8 +4,8 @@
 #include <typeinfo>
 #include <vector>
 
-#include "data/graph/token_component/TokenComponent.h"
-#include "utility/types.h"
+#include "TokenComponent.h"
+#include "types.h"
 
 class Token
 {