API get: remove unneccessary ORDER BY to improve performance
move off JS assets to own directory
reader: accept a space to scroll from everywhere, not just from the content iframes
reader: support pos1/end scrolling in feedview
reader: unfocus from sort dropdown or showunread checkbox after change, so pressing SPACE after clicking the checkbox won't fire a change again
reader: fix bug that relative-URL contents were not displayed (//youtube.com iframes) and links did not link properly

the reason was that the iframe url is a data-url, and so protocol-agnostic links tried data://youtube.com, which obviously did not work.
RSS class: fix two PHP notices