Updated restart of libreoffice for systemd

 - add log to indicate successful connection to bbb-apps

bbb-web: Escaped strings used in freemarker template for thumbnails

record-and-playback: No thumbnails for default presentation

record-and-playback: Removed preview extension (thumbnails) from recordings when only has default presentation

[HTML5] Refactor of Meetings API

Added flag to config.xml to enable/disable the visibility of the Record option

Remove /tmp/tmp.XXXXXXXX file created by bbb-record

Remove some unnecessary logging

Fixed stream to streams (syntax error in bbb-config)

 - updating latest locales except for zh_TW as it's failing to compile.

Move client breakout rooms configuration to a new node and added a new option to enable/disbale recordings for breakout rooms.

Update to bbb-conf for --check, --stop and --start

record-and-playback: Encoded text coming from the slide for being use…

 close port test connection right after test. 

   user leaves the meeting.

HTML5 audio plus stun request

Lower SWF conversion threshold from 2500 to 2000 for text objects.