Add leveldb store
Merge pull request #373 from nrn/master

Simple leveldb store.
Move page finding logic for sitemaps into the pagehandlers
Turn default back to page store
Merge pull request #374 from nrn/master

Push the responsibility of building the sitemap into the data store.
preferred style
duplex pipe replaces system call i/o
coffeescript inconsistency
Merge branch 'master' of github.com:WardCunningham/Smallest-Federated-Wiki
discard commented code
reduce plugin docs and excel translation
slider recalculates
show initial thumb postion
traceback when server-side plugins fail to start
first cut at closing txtzyme gracefully
domain handles cleanup, start on restart