Added highcharts support, fixed facets, searchbar fixes for text input and facets

Added charts widget
added tested for various types
added parsing of results and aggregate functions for charts
added load temperature data page for testing charts
updated search facets widget to work properly with json results
search facets affect searchbar and results
multiple facets with same value handled
removing facets manually and by clicking facets widget added
fixed bug showing NaN in search pager when search is in progress