Removed information about custom widget templates from readme
Removed information about custom widget templates from readme

I will create a wiki page for this instead.

voixen/angular-dashboard-framework,voixen/angular-dashboard-framework,reshak/angular-dashboard-framework,Jst10/angular-dashboard-framework,reshak/angular-dashboard-framework,raulgomis/angular-dashboard-framework,raulgomis/angular-dashboard-framework,alexandergorokhov/weather,angular-dashboard-framework/angular-dashboard-framework,Jst10/angular-dashboard-framework,sdorra/angular-dashboard-framework,geshan/angular-dashboard-framework,geshan/angular-dashboard-framework,Healy-Hudson-Portugal/angular-dashboard,reshak/angular-dashboard-framework,alexandergorokhov/weather,reshak/angular-dashboard-framework,sdorra/angular-dashboard-framework,Healy-Hudson-Portugal/angular-dashboard,angular-dashboard-framework/angular-dashboard-framework