build: trial version target

builds now app and trail target, lib_gui added, istrail function

src/lib_gui/platform_includes/includesDefault.h

@@ -0,0 +1,12 @@
+#ifndef INCLUDES_DEFAULT_H
+#define INCLUDES_DEFAULT_H
+
+static std::string appSettingsPath = "data/ApplicationSettings.xml";
+static std::string windowSettingsPath = "data/window_settings.ini";
+static std::string logPath = "data/log/";
+
+void setup(int argc, char *argv[])
+{
+}
+
+#endif // INCLUDES_DEFAULT_H