refactor and videoinfo fixs

v2.0.4

version 2.0.3

update rtsp for server commands

version 2.0.1

fix possible npe and open all rtsp classes

fix error

Merge branch 'master' of https://github.com/pedroSG94/rtmp-rtsp-strea…

…m-client-java

fix npe and update gradle

v1.9.6