Merge pull request #36 from haushinka2dx/user-show-api

Add user/show api
fixed issue that the request header names was handled CASE-SENSITIVE.
Request header name must be case-insensitive. see
http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html
Merge pull request #37 from haushinka2dx/header-name-case-insensitive

fixed issue that the request header names was handled CASE-SENSITIVE.
Merge branch 'vertx2' of github.com:haushinka2dx/atmosphere into cookie-expires
changed immediate-execute