pr_search_ac shows HR details (can be disabled); Fixes for s3theme; Person
deduplication uses Middle Name as well; Training Participant Imports can
specify People by Middle Name, DoB &/or National ID to help with ensuring
correct matches amongst many similar names; Cleanups for search removal
Merge branch 'master' of git://github.com/flavour/eden
Fix person_deduplicate, make variable names in s3theme consistent again