Fix Rails 4.2 test failures
Merge pull request #996 from projectblacklight/rails-42

Fix Rails 4.2 test failures
When serializing numeric data to fq, ensure we properly escape the data

Numeric data may contain character sequences that require escape, e.g. "-1"
Search results default to the users last used view type
Construct index, show and facet field labels from the field name if no field name is available.
Refactor email/sms/cite into actions within extendable action framework
Merge pull request #997 from projectblacklight/escape-numeric-data

When serializing numeric data to fq, ensure we properly escape the data
bump to 5.7.2
Fix zero results page to display 'try searching everything' link when the query is scoped to a given field
Hide pagination controls when the per-page value is 0
Remove anchor for button dropdowns; style the existing button as expected
The active page and gap elements should not be links
Merge pull request #986 from projectblacklight/possible-bad-facet-name-fix

Construct index, show and facet field labels from the field name if no field name is available.
Merge pull request #998 from projectblacklight/cjcolvar-bookmark-actions-refactor

Refactor email/sms/cite into actions within extendable action framework
Fix render_document_class view-specific field selection and update to support multi-valued fields
Merge pull request #982 from projectblacklight/preferred_view

Search results default to the users last used view type
Use ellipses to truncate long constraint values at responsive breakpoints
Merge pull request #1001 from projectblacklight/fix-zero-results

Fix zero results page to display 'try searching everything' link when the query is scoped to a given field
Merge pull request #1002 from projectblacklight/hide-per-page-0

Hide pagination controls when the per-page value is 0
Merge pull request #1003 from projectblacklight/issue-894

Remove anchor for button dropdowns; style the existing button as expected