Add .gitattributes.

All text files will be converted to LF.
Modify jscs rules to allow D3-style one line function declaration.
Merge remote-tracking branch 'upstream/master'
d3-financial-components-16 Update OHLC series
d3-financial-components-16 Add default colours to ohlc bars.

Bars were invisible without the css.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into ohlc
Merge pull request #62 from tlsim/ohlc

OHLC updates