add option to allow access methods from default url

update .asf.yaml to change RPC into lowercase

add .asf.yaml to set github about info

fix typo of 'RPC' appeared in grpc.* and unstable.h

add release note file till 0.9.7

fix brpc.baidu.com not accessible

remove a piece of optional code in TimerThread.run, which has access-after-return issue and may cause the heap popped wrongly

Controller::CreateProgressiveAttachment returns intrusive_ptr instead of raw pointer which could be deleted and invalid before usage

fix a typo: COMPLELE -> COMPLETE

fix h2_req check failed when retry after ELIMIT error

(FIX COMMENT)butil: remove BasicStringPiece in comments

fix_share_tls_block

Signed-off-by: mwish <anmmscs_maple@qq.com>

fix comment

Update nshead_service.md

timer_thread: remove redundant code

fix redis args