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_java/data/parser/java/JavaEnvironmentFactory.cpp

@@ -1,14 +1,14 @@
-#include "data/parser/java/JavaEnvironmentFactory.h"
+#include "JavaEnvironmentFactory.h"
 
 #include <cstdlib>
 
 #include <jni.h>
 
-#include "data/parser/java/JavaEnvironment.h"
-#include "settings/ApplicationSettings.h"
-#include "utility/logging/logging.h"
-#include "utility/utilityLibrary.h"
-#include "utility/utilityWindows.h"
+#include "JavaEnvironment.h"
+#include "ApplicationSettings.h"
+#include "logging.h"
+#include "utilityLibrary.h"
+#include "utilityWindows.h"
 
 void JavaEnvironmentFactory::createInstance(std::string classPath, std::string& errorString)
 {