Conflicts:
	akka-bbb-apps/build.sbt
	akka-bbb-fsesl/build.sbt
	bbb-common-message/build.sbt
	bigbluebutton-apps/build.gradle

Recording: Also tell ffmpeg to ignore the length of the intermediate wave file

Chat improvements

 - new jar signed with cert that expires on oct 30, 2017

html5 client - update welcome message for 1.0-beta

Presentation upload returns a 200 HTTP status.

Allow changing loglevels

   log it. This might mean that we run into issue where the reply from server isn't
   getting propagated back into the client.

Fix max upload pages

Implemented processPresentationConversionError method in PresentationClientMessageSender, this method was accidentally left empty after the messaging refactoring in 1.0.

Setting the correct number of builder analysed pages in sendFailedToCountPageMessage of paPdfToSwfSlidesGenerationService, the value should be is set from the CountingPageException not from UploadedPresentation.

html5client: Fix recent audio issues

 - log external user id