* Update samples
* Simplify the arguments of the DecodeImages function by grouping some of them into a struct.
* Modify the logic for selecting the valid images per batch
* Modify the logic for selecting the valid images per batch for jpegDecodeBatched sample too
* Add initial support for batch decoding
* Add support for reading and parsing the images in batches and allocating the output buffers
* Add initial support for the rocJpegDecodeBatched API
* use recursive_mutex to allow DecodeBatched and Decode functions called concurrently
* code cleanup
* Add a CTEST for jpegdecodebatched
* modify the help message
* code clean up
Aryan Salmanpour