Extended '/api' route so that it will return `description` and `publisher` information from the dat.json as well.
Changes to CLI usage documentation

- Add git rows command docs
- Change rm -rf to dat clean
- Reorder dat import and include NDJSON
docs/modules: Replace content-addressable-store with local-blob-store

Catch the docs up with e509aaad (use local-blob-store..., 2014-08-09).
Add description and publisher to the hello /api request
Merge pull request #196 from akoenig/feature/rest-api/meta-extension

Extended response from '/api' route (description and publisher)
Merge pull request #203 from finnp/cli-usage

CLI usages docs: dat rows / dat clean
Merge pull request #213 from wking/local-blob-store-docs

docs/modules: Replace content-addressable-store with local-blob-store
merge
Merge branch 'karissa-rest-api-additions'
6.8.5
custom working version
content negotiation with format-data module
update format-data, more pluggable format-opts interface
fix dat cat default formatting
formats for createChangesReadStream and /api/changes
tests for /api/changes
Add /api/rows format tests, activate changesLiveTail test again
accept headers tests for /api/rows and accept header parsing fix