Sdss-marvin

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- **Adds** - support for MaNGA data release MPL-10
- **Removes** - web / API support for MPLs 4, 5, 6
- **Removes** - SPX and VOR10 binning schemese in MPLs 7-10, and DR15-16.

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- **Adds** - support for using the marvin mirror at magrathea.sdss.org, hosted at Johns Hopkins
- **Adds** - new `use_mirror` custom config option to automatically set marvin to use the mirror

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- **Adds** - caching web routes on Plate, Galaxy pages
- **Adds** - new `use_cache` option to `Cachable Query` class. Implemented in most marvin database calls.
- **Adds** - most Marvin Tools now use query caching for database calls
- **Adds** - a new `CacheMixIn` that adds optional caching to classes utilizing db calls
- **Adds** - a new `Redis` `dogpile.cache` backend; with new regions for `Maps` and `Modelcubes`
- **Adds** - new utility functions for DRPall, and DAPall files, `get_xxx_path`, `get_xxx_file`, `get_xxx_table`
- **Adds** - adds visual morphology VAC for DR16+
- **Fixes** - Issue :issue:`695` - better web spectra/map error messages;
- **Changes** - tree and sdss_access submodules to latest 3.0+ and 1.0+ versions
- **Changes** - path changes to accommodate new tree and sdss_access

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Fixed
^^^^^
- Issue :issue:`700` - pinned webargs package to version <6, networkx package <2.4

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Added
^^^^^
- Support for MPL-9 MaNGA data
- Issue :issue:`648` - Option to toggle common lines from the DAP in web spectrum viewer
- Issue :issue:`112` - Option to toggle between rest-frame and observed wavelength in web spectrum viewer
- Issue :issue:`679` - Option to toggle on DONOTUSE pixel region masks in web spectrum viewer
- master-fifo file to uwsgi base config ini file
- adds an alert to authenticate when no static image detected

Changed
^^^^^^^
- updated datamodels to include MPL-9 changes
- turned off API rate limiting globally
- turned back on old spaxel query method
- switched random image web page to use improved `get_random_images` function
- changing galaxy page static image grab to use `cube.getImage().url`

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Changed
^^^^^^^
- Added explicit python path in uwsgi prod.ini file

Fixed
^^^^^
- Bug in session variable controlling DAP bintemps