Fixes for DSC 671, 590, 619
updated to latest amberdb version.
Display all values multiple fields from solr in search results.
Merge branch 'master' into ti_search_fixes
column headins added for Work children table
Merge pull request #628 from nla/bs-dsc-622-column

column headins added for Work children table
Merge pull request #627 from nla/ti_search_fixes

Search fixes
Merge branch 'master' into bug/acm-dsc-635