Filters directive.
Show filters directive on all visualizations.
Store filters on QueryResult object and use them in getQueryData.
Switch to $watchCollection to resolve the issue of chart not updating when length of series stays the same.
Because we draw the table without VisualizationRenderer we need to explicitly add filters here too.
Reset filterFreeze when updating data.
Merge pull request #140 from EverythingMe/query_filters

Feature: filters for all visualizations and not only tables