Merge pull request #151 from ShengQiangLiu/v3.1.1_release

v3.1.1 release

Merge pull request #148 from ShengQiangLiu/v3.1.0_release

release v3.1.0

Merge pull request #145 from HeraShowFeng/v3.0.8_release

release v3.0.8

Merge pull request #143 from HeraShowFeng/v3.0.7_release

v3.0.7 release

Merge pull request #142 from iossun/master

update PLMediaStreamingKit v3.0.6

Merge pull request #141 from iossun/master

Release v3.0.5

Merge pull request #139 from iossun/master

update API doc

Merge pull request #135 from HeraShowFeng/v3.0.3_docs_release

v3.0.3 release

Merge pull request #130 from Kivenhaoyu/release-v3.0.2

v3.0.2 release

Merge pull request #125 from HeraShowFeng/v3.0.1_docs

v3.0.1 release