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New
- Update installation and contributing docs
- Add support for generating Hyper Dimensional Aggregates (HDA)
- Add internal Meltano classes for representing and managing Designs, Table, Column, Aggregate, Definitions, and Query definitions
Changes
- Move core functionality out of `api/controllers` to `/core/m5o` (for m5o and m5oc management) and `/core/sql` (for anything related to sql generation)
Fixes
- Fixed a problem when environment variables where used as default values for the CLI - [!390](https://gitlab.com/meltano/meltano/merge_requests/390)