Added ID to SIP rows in ingest tab.

refs #1817

Added an ID to the SIP template in the ingest grid template so it will work
with the experimental paging.
Added sort order, reverse chronological, to transfer status JSON.

refs #1817

Sorting the transfer data by descending timestamp makes it easy to
have newly added transfers pop up at the top of the grid.
Added summary to experimental grid paging.

refs #1817

Added a summary including current page and total number of pages to
the paging logic and the transfer template.