Merge branch 'dev' into perspective

Resolve minor conflict in ImProcFunctions::transformGeneral and add new
arguments for use of ImProcFunctions::needsTransform in
PerspectiveCorrection::autocompute.

rtgui/paramsedited.h

@@ -365,6 +365,7 @@ struct CoarseTransformParamsEdited {
 };
 
 struct CommonTransformParamsEdited {
+    bool method;
     bool autofill;
 };