qtscript.lib root for libraries

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
env: use->extension, import->include

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
actor.request(name, message) is added

actor.request(name, message) send request to be processed by actor.name method

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>