Merge branch 'master' of github.com:bigbluebutton/bigbluebutton

.../bigbluebutton/webconference/voice/ConferenceService.java

...button/webconference/voice/ConferenceServiceProvider.java

...ton/webconference/voice/freeswitch/ConnectionManager.java

...tton/webconference/voice/freeswitch/ESLEventListener.java

...webconference/voice/freeswitch/FreeswitchApplication.java

...ton/webconference/voice/freeswitch/FreeswitchMeeting.java

...on/webconference/voice/freeswitch/FreeswitchMeetings.java

...onference/voice/freeswitch/FreeswitchServiceProvider.java

...ference/voice/freeswitch/actions/PopulateRoomCommand.java

...ton-apps/src/main/webapp/WEB-INF/bbb-voice-freeswitch.xml

bigbluebutton-client/locale/ar_SY/bbbResources.properties

bigbluebutton-client/locale/az_AZ/bbbResources.properties

bigbluebutton-client/locale/bg_BG/bbbResources.properties

bigbluebutton-client/locale/bn_BN/bbbResources.properties

bigbluebutton-client/locale/ca_ES/bbbResources.properties

bigbluebutton-client/locale/cs_CZ/bbbResources.properties

bigbluebutton-client/locale/da_DK/bbbResources.properties

bigbluebutton-client/locale/de_DE/bbbResources.properties

bigbluebutton-client/locale/el_GR/bbbResources.properties

bigbluebutton-client/locale/en_US/bbbResources.properties