Merge pull request #16 from zotya/master

Added get notes for charts and dashboards, bugfixes for dashboards
Prepare eea.googlecharts 6.5.
Updated version for eea.googlecharts to 6.6-dev
Fixed slickgrid layout
Prepare eea.googlecharts 6.6.
Updated version for eea.googlecharts to 6.7-dev
Normalizing buildout (Refs #9567)
Refs #9578; Enhanced row filters
Prepare eea.googlecharts 6.7.
Updated version for eea.googlecharts to 6.8-dev
Refs #9578; Fixed row filters for columns with empty values
Prepare eea.googlecharts 6.8.
Updated version for eea.googlecharts to 6.9-dev
Cosmetics
Cosmetics
Refs #9583 - Allow to format cells using available Google formats

- Make space for 'Format...' menu item
Refs #13784; Fixed chart editor for treemap