Implement atom feeds
Merge branch 'feedactivities' of https://github.com/kaakaa/gitbucket into kaakaa-feedactivities
(refs #327)Move feed.scala.xml to helper package because it breaks compilation by overriding xml package
(refs #327)Fix icon position for global recent activities feed
(refs #327)Add atom feed of the specified user
(refs #327)Fix baseURL and host in Context
Merge branch 'master' of https://github.com/takezoe/gitbucket