several lints fixed that were detected by facebook's flint

Extractor/ExtractorCallbacks.cpp

@@ -25,10 +25,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
+#include "ExtractorCallbacks.h"
+
 #include "ExtractionContainers.h"
 #include "ExtractionHelperFunctions.h"
 #include "ExtractionWay.h"
-#include "ExtractorCallbacks.h"
 
 #include "../DataStructures/Restriction.h"
 #include "../Util/SimpleLogger.h"

Extractor/ScriptingEnvironment.h

@@ -35,7 +35,7 @@ struct lua_State;
 class ScriptingEnvironment {
 public:
     ScriptingEnvironment();
-    ScriptingEnvironment(const char * fileName);
+    explicit ScriptingEnvironment(const char * fileName);
     virtual ~ScriptingEnvironment();
 
     lua_State * getLuaStateForThreadID(const int);