胡斌 / srs

2.add forward_server_srs,true or false,default true,directive in config file in vhost section
to disable connect app req params to make connect app success when connect some cdn server

git version string example:2.0+ r3504M 6bf24238 2017-02-28 19:10:44
which means: branch , revison index, commit hash, date time

…ONTINUITY" at the head of total.m3u8

fix  Repeated release

2.erase the title "no desc" in m3u8 to reduce size because the title is optional