ui: Added user interface for auto system header search paths detection

* moved detection files to lib_gui
* added ui to global header search and framework search ui in project wizzard and preferences
* detecting the search paths will add them to the list if not added yet
* only detected compilers are shown in the dropdown list

src/lib_gui/utility/utilityApp.h

@@ -0,0 +1,13 @@
+#ifndef UTILITY_APP_H
+#define UTILITY_APP_H
+
+#include <QProcess>
+
+namespace utility
+{
+	std::string executeProcess(const char* cmd);
+}
+
+
+#endif // UTILITY_APP_H
+