v2.6

This release adds support for linking charts that have aggregate_rollover set, the ability to hide data points using a new missing_is_hidden_accessor option and better handling of missing data ranges for time scales that are smaller than days.

Please refer to the 2.6 milestone for a complete list of changes and bug fixes and the examples page for updated examples.

Thanks to @Uberi, @nikolai-b and @birdage for contributions to this release!