Fixed several false-positive warnings in rst_parser.py. (Now it detects 553 undocumented parameters for #1205.)

#1349 tbb::mutex is moved to outer scope to be sure that its initialization is completed before the parallel loop

switched back to FitEllipse algorithm by Dr. Daniel Weiss; improved its accuracy in some cases. It fixes #1638

Fix for issue #1201 Updated. Focus mode auto was replaced on continuous-video. Libraries were rebuilt.