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
move formatOpts to own module
add --ndjson flag for createReadStream
default rest tests without accept headers
correct dat cat formatting
Add createReadStream format tests
Add dat cat test

The test takes about 7 seconds on my machine..
removed unused test
merge
Merge branch 'finnp-data-formats'