Put JavaScript-Libs and Fonts locally (no dependencies to Internet)
Connected JSON-Webservice with diagramm
implemented todays overview-bar with (current usages and estimation for day)
Implemented "Ampel": Ampel is associated with column chart data ..
 fixed minor bugs
 added highcharts-more.js library to local lib folder
added data option buttons for column charts
enhanced "Ampel"-Chart
enhanced data_option menu bar and overview table
enhanced chart presentation (labels etc.)
fixed estimation, usage rating and labels