suggesters bug fix
Merge branch 'develop' of github.com:au-research/ANDS-Registry-Core into develop

* 'develop' of github.com:au-research/ANDS-Registry-Core:
  Refactor RDA sitemap - CC814 - Change sitemap frequency to daily for active data sources
  Clear unneeded comma so IE will play nice
  CC834 - Ensure duplicate record merging happens for all duplicated records in the search results
  Blacklist /view/ and /registry/ on RDA robots.txt
  Sitemap must not include data source if it has no records
  Favicon header for RDA
  Reset pagination when user enters a new search term and clicks search in RDA
  Provide more detailed error messages in RDA when in development mode
  fixed the width of the youtube modal
  re-introduced the popup modal to run youtube videos