[WIP] bar chart
Implement line charts of the number of participants
Add dot on the line
Show tooltips and trivial fix
Add a link to the archive url to the dot on the line
Calculate the number of participation for each members
" -> '
Import perfect-scrollbars and apply to the stat line chart

- separate <style> into a css file
Implement participation ranking table with angular
Implement user stat pages with angular
Fix tooltip
Add last participation data
Remove index.html parts from the stat url links
Implement the github streak graph imitation
Implement user search form with completion
Merge pull request #12 from haya14busa/feature-stat

d3とangularで読書会の統計周りの実装