Update issue templates

fix build on 32-bit systems. tested on Raspberry Pi 3.

better TimeZone_util.cc

rewrite TimeZone class.

compile fix

Update ThriftServer.h

Update issue_template.md

add BlockingQueue_bench2.cc for context switching in hot potato scenario

Fix build on gcc <= 4.9, #516.

fix build on Raspberry Pi 4 where std::numeric_limits<long long>::digits10 == 33, instead of 18 on x86.

Add BlockingQueue::drain() method.

Fix build on gcc <= 4.9, #512.

fix build error, interface not match

write operation may fail, writtenBytes_ should be the actual number of bytes written

update travis.yml