Merge pull request #2725 from ritzalam/implement-custom-poll

akka-bbb-apps/build.sbt

...n/java/org/bigbluebutton/core/api/IBigBlueButtonInGW.java

...ebutton/core/pubsub/receivers/MeetingMessageReceiver.java

...ebutton/core/pubsub/receivers/PollingMessageReceiver.java

...main/scala/org/bigbluebutton/core/BigBlueButtonInGW.scala

.../src/main/scala/org/bigbluebutton/core/MeetingActor.scala

...rc/main/scala/org/bigbluebutton/core/api/InMessages.scala

...pps/src/main/scala/org/bigbluebutton/core/apps/Poll.scala

.../src/main/scala/org/bigbluebutton/core/apps/PollApp.scala

...ala/org/bigbluebutton/endpoint/redis/RedisPublisher.scala

akka-bbb-fsesl/build.sbt

bbb-common-message/build.sbt

...button/common/messages/AssignPresenterRequestMessage.java

...g/bigbluebutton/common/messages/CreateMeetingMessage.java

.../bigbluebutton/common/messages/DestroyMeetingMessage.java

...bluebutton/common/messages/DisconnectAllUsersMessage.java

.../bigbluebutton/common/messages/DisconnectUserMessage.java

.../org/bigbluebutton/common/messages/EndMeetingMessage.java

.../bigbluebutton/common/messages/GetAllMeetingsRequest.java

...ava/org/bigbluebutton/common/messages/GetChatHistory.java