Initial pie chart implementation
ZEPPELIN-154 scroll to focus
Merge branch 'master' into pie_chart
Use per chart type d3 object
Format number, and support magic keyword %html
Remove some unnecessary statements
Merge pull request #92 from NFLabs/pie_chart

Pie chart
Merge pull request #99 from NFLabs/scroll_to_focus

ZEPPELIN-154 scroll to focus
Merge pull request #101 from NFLabs/format_table_content

ZEPPELIN-158 format table content