Add handcode mode to rsg_generator.

bug 13170046

Change-Id: I25050a3c4c9b77727eb717d4b9c44bf85f505873
Make object destruction asynchronous.

bug 13170046

Change-Id: Ie4a5e35f11da6f26dca273d79462952b0e3722c1
update cleanspec for header generator

bug 13170046

Change-Id: I77ad99afdcc295c73f6ee7d8ce9b831e67172607
Fix memory leak due to smart pointer misuse.

bug 11965932

Change-Id: I982b974b3554b0f4dc7a558107703ff605f580e6