[D3] remove highcharts
[D3] server score chart as JSON
[D3] Score chart
[D3] Head 2 Head graph
[D3] Office average chart
Merge remote-tracking branch 'origin/master' into d3

Conflicts:
	game/templates/competition/detail.html
	static/assets/js/modules/score_chart.js
	static/assets/less/rankme.less
[D3] Dynamic score mode change
Merge remote-tracking branch 'origin/master' into d3

Conflicts:
	static/assets/js/modules/team_charts.js
fix merge issue
[D3] Add fairness to the graph
[D3] Style competition detail graphs
[D3] style competition graph