cosmetic css and image alt tag changes
cosmetic log message fix
enable specifying external cache configuration
avoid NPE in getUser()
up the jgroups and infinispan versions
a comment for a JSF 2.2 improved injection capability
optimize cache initialization and split to multiple transactions to allow big initial data
let InitializeCache.startup() method always executable so one can call it later even if chunchun.cache.init.skip sys property is set
pass avatar image as a plain byte[] array instead of using ImageIO to
double convert it; this fixes serialization of User by removing the
BufferedImage field
add TODO items
bring cache access to the minimum when updating recentPosts by getting
watched users only once and reusing recent posts from the previous call