remove tests that combine outline mode with
pixel checking, as the behavior doesn't seem to be
guaranteed

also, rackety
remove 'print' mode from the Pretty Big language

it was buggy and fixing the bug makes it identical to write
mode, so instead of that, lets just make there not be a print mode

also, minor edits and Rackety
fix a bug that disabled check syntax's tooltips

bug was introduced in august 2013
add author and toc
add support for macro-specified tooltips to check syntax