[x] Now each pipeline item may have src_key and src_func.
There is the only parameter for the pipeline -- is a context.
Using extra parameters mentioned above we extract the actual input for the pipeline item from context. We are still provide the whole context alongside with the input element for each item just it case.
535 related
src_keyandsrc_func. There is the only parameter for the pipeline -- is a context. Using extra parameters mentioned above we extract the actual input for the pipeline item from context. We are still provide the whole context alongside with the input element for each item just it case.inputfeeding support in launcher. (https://github.com/nicolay-r/AREkit/commit/901c2ae6032387a4360b5c01a4b2e1771dc0c02e)