Presentations

This major release brings a bunch of new features. Most notable are PDF presentations within a call and geo location sharing in chat.

• Feature : PDF files can now presented in a call or conference.
• Feature : Geo location can now be shared in chat.
• Feature : Calls can now be started from the chat.
• Feature : File upload button added to chat to select files rather
  than drag an drop as sole way to share files.
• Feature : Implemented session subscription for remote sessions
  which are contacts to get notified when session is gone.
• Feature : Show warning message if browser does not support Websockets.
• Feature : It is no longer possible to start web client with a browser which
  does not support ES5.
• Feature : Additional sessions of a registered user now also show the picture.
• Feature : Added first version of contact manager to settings.
• Feature : Contacting offline contacts now results in fake session response
  to prepare for offline notifications.
• Change : The welcome screen has been redefined.
• Change : Styles and logo inclusion were reorganized.
• Change : Spinner was replaced with notch everywhere.
• Change : Toastr.js was updated to 2.0.3.
• Change : Moment.js was updated to 2.7.0.
• Change : Howler.js was updated to 1.1.22.
• Change : Require.js was updated to 2.1.14.
• Change : UA-parser.js was updated to 0.7.0.
• Change : r.js wsa updated to 2.1.14.
• Change : ./configure now tells about found versions.
• Change : The eye icon to make calls is now a phone icon.
• Change : Click on buddies now opens the chat rather than
  starting the call.
• Change : Improved certain texts.
• Bugfix : Background tile is no a JPEG which is much smaller.
• Bugfix : The welcome screen no longer flickers on slow machines.