[processing] fixed handling output html files in grass 7

python/plugins/processing/algs/grass/grass.txt

@@ -105,6 +105,4 @@ In some cases, it might be interesting to take the console output from GRASS and
 extract a part of it for saving or formatting.
 
 To do this, just add an output of type OutputHTML. Processing will take care of
-turning that into 2 output, one of type OutputHTML and another one of type OutputFile.
-The second one will contain the raw output of the algorithm, while the first one
-will have some HTML formatting
+sending the console output to that output file

python/plugins/processing/algs/grass7/Grass7Algorithm.py

@@ -139,6 +139,9 @@ class Grass7Algorithm(GeoAlgorithm):
                         hasRasterOutput = True
                     elif isinstance(output, OutputVector):
                         vectorOutputs += 1
+                    if isinstance(output, OutputHTML):
+                        self.addOutput(OutputFile("rawoutput", output.description +
+                                                  " (raw output)", "txt"))
                 line = lines.readline().strip('\n').strip()
             except Exception as e:
                 ProcessingLog.addToLog(