minor code cleanups.
minor code cleanups.

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