Refs #17190; WIP: implementing unpivot for editor
Refs #17190; WIP: Implemented unpivot configurator
Refs #17190; WIP: Updated scatterplots matrices
Refs #17190; Updated saving thumb to use the unpivot settings
Refs #17190; Updated filters configurator for unpivot
Refs #17190; Allow setting the column type for pivoted columns
Refs #17190; Updated chart view for unpivot
Refs #17190; Updated preview and dashboard editor for unpivot
Refs #17190; Updated dashboard view for unpivot
Refs #17190; Updated embedded charts and dashboards for unpivot
Refs #17190; Code cleanup after implementing annotator plugin directly with coffee
Refs #17190; Added error messages when settings for unpivot are not correct
Refs #17190; Display the correct columns after searching for pivots
Refs #17190; Updated layout of pivot configurator
Refs #17190; Updated wording
Refs #17190; Added upgrade step
Removed workaround for slickgrid menus as not needed anymore
Merge pull request #25 from zotya/master

Added unpivot feature
Updated HISTORY.txt
Merge branch 'master' of https://github.com/collective/eea.googlecharts