* Add an environment variable to control the VCN hardware color space conversion enablement
* Update version
* optimize the mem_alignment logic for hip memory allocation
* 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
* 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
* Add a new sample for jpeg decoding using multiple threads
* code clean up
* code clean up
* code cleanup
* remove extra line
* code clean up - change some variable names
* code clean up
* Move common functions to a new header for samples
* move additional functions to the common samples header
* move the common functions to a new header file and modify the readme
* modify the sample's README
* Add a CTEST for the jpegDecodeThreads sample
* Add a samples overview README
* modify the jpeg decode threads sample
* add finding the threads
* rename jpegDecodeThreads to jpegDecodeMultiThreads
* Make changes based on the reviewers comments
* use one instance of the rocjpeg_utils
* code cleanup
Aryan Salmanpour
Kiriti Gowda
Pavel Tcherniaev