added link to HTML representation on save
added link to HTML representation on save

NB: Now overriding instead of monkey-patching `reportSuccess`. While it
might have been possible to add an optional `link` parameter to the
original function and do some `arguments` juggling, that function is
trivial enough that this seemed unnecessary.

cf. issue #6

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