watchfolder.py 1.10: clean up the provided (or determined) user name to ensure it will not cause problems as part of a filename.
watchfolder.py 1.10: clean up the provided (or determined) user name to ensure it will not cause problems as part of a filename.

luisbarrancos/appleseed,docwhite/appleseed,aytekaman/appleseed,appleseedhq/appleseed,Aakash1312/appleseed,pjessesco/appleseed,Vertexwahn/appleseed,docwhite/appleseed,aiivashchenko/appleseed,aytekaman/appleseed,luisbarrancos/appleseed,Biart95/appleseed,Vertexwahn/appleseed,aiivashchenko/appleseed,Aakash1312/appleseed,aytekaman/appleseed,glebmish/appleseed,aiivashchenko/appleseed,aiivashchenko/appleseed,dictoon/appleseed,gospodnetic/appleseed,aiivashchenko/appleseed,est77/appleseed,pjessesco/appleseed,pjessesco/appleseed,Aakash1312/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,est77/appleseed,Biart95/appleseed,aytekaman/appleseed,glebmish/appleseed,dictoon/appleseed,appleseedhq/appleseed,est77/appleseed,docwhite/appleseed,gospodnetic/appleseed,dictoon/appleseed,Biart95/appleseed,glebmish/appleseed,appleseedhq/appleseed,docwhite/appleseed,gospodnetic/appleseed,est77/appleseed,Vertexwahn/appleseed,docwhite/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,Biart95/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,luisbarrancos/appleseed,glebmish/appleseed,Aakash1312/appleseed,est77/appleseed,Aakash1312/appleseed,pjessesco/appleseed,dictoon/appleseed,Biart95/appleseed,dictoon/appleseed,gospodnetic/appleseed,Vertexwahn/appleseed,glebmish/appleseed,gospodnetic/appleseed