fix the warning of ts_info
disable gop cache when not h.264. fix some warning.
ignore the actual length of share key. 2.0.40
rename the recv thread to queue recv thread for bug #237.
for bug #237, extract a queue recv thread.
for bug #235, pass timeout to recv thread.
for bug #235, refine the queue recv thread.
for bug #237, use isolate thread to recv message. 2.0.41
update the README for 1.5k publishers. 2.0.41
refs #1670: fix the bug for bug #237, use us and ms timeout.
for bug #237, refine syscall for recv, supports 1.5k clients. 2.0.41.
srs-librtmp support hijack io apis for st-load. 2.0.42.
Merge branch 'master' into srs-librtmp