PATH: post processor tweaks and loop select.

rename generic_post.py: This is actually a post specific to a machine.  The generic name is confusing
fix test case. Contour has no plunge angle
scrubbing postprocessors for python 2 style prints
Keep loop select usable when task panel is open.

src/Mod/Path/PathScripts/PathPost.py

@@ -80,7 +80,6 @@ class DlgSelectPostProcessor:
 class CommandPathPost:
 
     def resolveFileName(self, job):
-        #print("resolveFileName(%s)" % job.Label)
         path = PathPreferences.defaultOutputFile()
         if job.OutputFile:
             path = job.OutputFile
@@ -135,7 +134,6 @@ class CommandPathPost:
             else:
                 filename = None
 
-        #print("resolveFileName(%s, %s) -> '%s'" % (path, policy, filename))
         return filename
 
     def resolvePostProcessor(self, job):