Reset elasticsearch to use default port
Reset elasticsearch to use default port

- config/initializers/searchbox.rb - The defauult host & port should
  be "http://localhost:9200", not "http://localhost:8081". Fixed
  the initializer to reflect that

Updates #894

EBWiki/EBWiki,BOWiki/BOW,BOWiki/BOW,EBWiki/EBWiki,EBWiki/EBWiki,EBWiki/EBWiki,BOWiki/BOW