Added optional setting to update facet counts based on filtering choices when using Haystack (HAYSTACK_FACET_COUNTS)
Renamed optional setting to turn off security permission pre-filtering (SKIP_PERMS_FILTER)
Simplified/fixed Haystack bbox filtering
Fixed haystack indexing of keyword values
Merge remote-tracking branch 'origin/master' into haystack4
Merge pull request #1571 from mbertrand/haystack4

Additional haystack options/fixes
remove the user api as unneeded and some fixes