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

fix heap overflow in simple_data_pool

update from apache-brpc

fix display problem in docs/cn/bvar_c++.md