Add a test for earlier fixes to attribute handling.
Revert "Add a test for earlier fixes to attribute handling."

This reverts commit 4b03b29f127f85feb674dac64efde76deb0dc6f4.

This test was actually an artifact from some earlier unrelated and
wrong testing.
Move the CREDITS and TESTING files up into root

This makes way for sphinx docs in the docs dir.
Commit the initial structuring of sphinx docs for TiddlyWeb.

The content is incomplete, and the existing stuff is
not correctly formatted ReST but it is a start.