move application run to web index

This makes it possible to create utils that load the same app configuration without running the app itself.
fix possible tmp priviledge issues
elastic: add elasticsearch dependency
elastic: add elasticSearch service
elastic: add elasticSearch regenerate index script
elastic: add searchFulltext
elastic: add server side highlighting
elastic: remove client side highlighting
elastic: remove highlights from tags
elastic: index author, isTopic and group
elastic: fix is_topic mapping
elastic: boost topics over comments
elastic: add pagination
elastic: filter search by selected groups
elastic: order by time
elastic: refactor elasticsearch service
elastic: add search by author
elastic: add to es index when crawling
elastic: add likes to index
elastic: boost relevance by 1.2 log1p of likes