Http Server: running astyle on jvm.cc

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
Signed-off-by: Avi Kivity <avi@cloudius-systems.com>
Http Server: jvm and os API implementation to use new API

With the introduce of the new API os and jvm implementation can now use
it in a cleaner and safer way.

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
Signed-off-by: Avi Kivity <avi@cloudius-systems.com>