Merge branch '2.6.8' into wvp-28181-2.0

# Conflicts:
#	src/main/java/com/genersoft/iot/vmp/conf/redis/RedisMsgListenConfig.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/bean/Gb28181Sdp.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommander.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/transmit/cmd/impl/SIPCommanderFroPlatform.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/ByeRequestProcessor.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
#	src/main/java/com/genersoft/iot/vmp/gb28181/utils/SipUtils.java
#	src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMRTPServerFactory.java
#	src/main/java/com/genersoft/iot/vmp/service/impl/PlayServiceImpl.java
#	src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java