Added VaadinHttpService to provide access to the HttpServletRequest and HttpServletResponse
Corrected typo
Updated JavaDoc format
Updated JavaDoc
Normalized code, corrected ident.
Renamed vaadinHttpService() => httpService()
Corrected return type => HttpService
Added try...finally
Merge pull request #111 from GJRTimmer/feature/http

Added VaadinHttpService
Merge branch 'master' of https://github.com/peholmst/vaadin4spring