胡斌 / srs

…ONTINUITY" at the head of total.m3u8

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

this feature is missed when merge the modification about "implement save meta,need more test"

Conflicts:

	trunk/src/app/srs_app_source.cpp
	trunk/src/app/srs_app_source.hpp
	trunk/src/protocol/srs_rtmp_stack.cpp

2.0release bugfix publish_normal_timeout 配置读取错误