fix recipe relative location of tiddlywiki repo

recipe was pointing to upstream master tiddlywiki repo, not cloned
tiddlywiki repo.  As a result, local changes to cloned repo were not
being picked up in the build process.  Changed
"..\..\tiddlywiki\tiddlywiki" to just "..\tiddlywiki"
Merge pull request #11 from ericshulman/master

fix index recipe to point to cloned tiddlywiki repo, not upstream master