fixed unresponsive toolbar command icons
fixed unresponsive toolbar command icons

astonishingly, stroke definitions made parts of the command icons not
trigger the onclick handler
(those definitions were obsolete anyway, says jdlrobson)

also fixed minor STYLE issues in the process

TiddlySpace/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace,FND/tiddlyspace,FND/tiddlyspace,TiddlySpace/tiddlyspace