* Finished first half of adding ROI functionality to rocJPEG
* took out unnecessary .h file
* addressed review comments from Aryan
* fixed typo
* fixed documentation in code for decode_params
* fixed the spaces
* 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