[maven-release-plugin] copy for tag parent-2.1.1-pubsub

[maven-release-plugin] copy for tag 2.1.0-pubsub

[maven-release-plugin] copy for tag parent-2.0.2-pubsub

[maven-release-plugin] copy for tag parent-2.0.1-pubsub

[maven-release-plugin] copy for tag parent-2.0.0-pubsub

[maven-release-plugin] copy for tag openmessaging-1.0.0-alpha

Remove architecture picture in README

[maven-release-plugin] copy for tag openmessaging-0.3.1-alpha

[maven-release-plugin] copy for tag openmessaging-0.3.0-alpha

[maven-release-plugin] copy for tag openmessaging-0.2.0-alpha