classic relevance:
* query_builder.py: enable hl.q, wrap search with relevance wrapper if defined
* config.py: added relevance, highlighter wrappers, modified defaults
* query_builder.py: reworked code that detects sort option and enables relevance ranking
* config.py: use more flexible SOLR_RELEVANCE_FUNCTION rather than *_WRAPPER
search AST+PHY by default
* forms.py: database selection is now set in a hidden variable
* search_macros.html: database selection now hidden from optional search menu
* results.html: fix bug with extra semicolons at end of author list
* views.py: enable more flexible formatting of input in bigquery for ADS classic compatibility
removing SQLAlchemy
Merge pull request #74 from lbjay/aa_aas_deploy

Aa aas deploy