Clear the filter when input is empty. Fixes telerik/kendo-ui-core#241
Implement 'filtering' event for autocomplete/combobox/dropdownlist/multiselect widgets. Fixes telerik/kendo-ui-core#283
MultiSelect filters data source on empty input. Related to telerik/kendo-ui-core#241
Force data source request when autoBind:false and serverFilter:true config is used. Fixes telerik/kendo-ui-core#286
Merge branch 'bound-editors-improvement' into core-master