Add Flex as elastic search interface
Flex config files
Remove PGSearch from Project model and db
Add Flex search scope to Project model
Use elastic search in projects controller
Rework jbuilder view to handle elastic search results
Elastic searcher helper class
test fixes
Merge branch 'feature/59079242_elastic_search'
Merge branch 'master' of github.com:amberbit/KarmaTracker