Merge pull request #935 from elzj/issue_3190_elasticsearch

Works index caching + New Relic
Merge branch 'master' of git://github.com/otwcode/otwarchive
For issue 3360, first go at updating bookmark search help. Sneaking in tiny fix for work-search-numerical-help while I'm at it.
Merge pull request #898 from elzj/signup_summary

Issue 2793: Replacing slow signup summary query
Some small touch-ups for issue 3360
3364 expand filter sections that have something selected
3368 adding spacing on filters
Merge pull request #938 from sarken/issue_3368

3368 adding spacing on filters
Merge pull request #936 from mumble/issue3360_bmsearch_help

Issue3360 bookmark search help
Merge pull request #937 from sarken/issue_3364

3364 expand filter sections that have something selected
Adding more caching to bookmark blurbs
Loading facets more efficiently and including them in caching
Adding 'Top 10 Tags' label to filters
Making more wrangling changes asynchronous
Merge pull request #940 from elzj/issue_3190_elasticsearch

Issue 3190 elasticsearch
Fixing filter dl nesting css issues
Some tweaks to filter text/labels
Issue 3367: tag search form should retain data when you search
Merge pull request #941 from elzj/issue_3367_retain_search

Issue 3367: tag search form should retain data when you search
Merge pull request #942 from elzj/issue_3190_elasticsearch

Small filter fixes