sdss/marvin: Marvin Beta 2.1.4

This patch release includes Added: Added new query_params object, for easier navigation of available query parameters. Added new tests. Added a new guided query builder using Jquery Query Builder to the Search page Added a View Galaxies link on the web results to view postage stamps of the galaxies in the results Added Route Rate Limiting. Adopts a limit of 200/min for all api routes and 60/minute for query api calls and web searches Changed: Changed call signature for :meth:marvin.utils.plot.map.no_coverage_mask (removed value arg because unused, added None as default value ivar (None), and re-ordered args and kwargs). Changed call signature for :meth:marvin.utils.plot.map.bad_data_mask (removed value arg because unused). Changed the Marvin web search page to use the new query_params and parameter grouping. Removed the autocomplete input box. Updated the documentation on query and query_params. Modified Guided Search operator options to remove options that could not be parsed by SQLA boolean_search Refactored the web settings, route registration, extensions to enable extensibility Issue #282: Improvements to "Go to CAS" link. Changed to Go To SkyServer and updated link to public up-to-date link Fixed: Issue #102: problem with urllib package when attempting to retrieve the Marvin URLMap Issue #93: safari browser does not play well with marvin Issue #155: Contrails in Web Map Issue #174: sdss_access may not be completely python 3 compatible Issue #196: Bin not loading from local sas Issue #207: Get Maps in MapSpecView of Galaxy page sometimes fails to return selected maps Issue #210: pip upgrade may not install new things as fresh install Issue #209: marvin version from pip install is incorrect Issue #268: Cube flux from file error Issue #85: Python does not start in Python 3 Issue #273: ha.value bug Issue #277: Ticks for log normalized colorbar Issue #275: logger crashes on warning when other loggers try to log Issue #258: 422 Invalid Parameters Issue #271: Problem in dowloading image. Issue #97: sqlalchemy-boolean-search not found when installed from pip source Issue #227: Marvin installation in python 3.6 (update setuptools to 36) Issue #262: problem with marvin update Issue #270: BPT array sizing not compatible Issue #88: Deployment at Utah requires automatisation Issue #234: Add (and use) functions to the datamodel to determine plotting parameters Issue #278: marvin_test_if decorator breaks in python 2.7 Issue #274: cube slicing to get a spaxel fails with maps error Issue #39: implement more complete testing framework Issue #242: Result object representation error with 0 query results Issue #159: Marvin issues multiple warnings in PY3 Issue #149: Improve integrated flux maps display in we