Temp fix speed
Speeding up demo site

Merge branch 'master' of https://github.com/SMMNYC/OBI-Analytics

Conflicts:
	OBI.Brain/OBI.Brain.Presentation/Controllers/DataAnalyzeController.cs
	OBI.Brain/OBI.Brain.Presentation/Models/Common/WeightModel.cs
Add skill increase and user rating graphs, fix content recommendation result