HTML5 ScreenShare Viewer

Show users that are typing in shared notes...

Relax pencil smoothing

Bbb 20 rec fixes

Merge branch '2x-client-theme' of https://github.com/riadvice/bigbluebutton into riadvice-2x-client-theme

Different parts of the code were using symbol vs string keys, so
the circle/square code never got applied. Use symbols everywhere for
consistency.

Some old recordings might have invalid or legacy encoding stuff
in the text files. To allow processing to continue, just re-encode int
UTF-8 with the invalid option set to replace, to remove the invalid
characters.

Update caption track generation based on feedback

RnP: Some shapes in BBB 2.0 now have sharp corners

 - fix exception

---------------------------------------------------------
- ERROR: Wrong number of arguments supplied when calling method handleIsSharingScreenEvent
- EVENT TYPE: "IsSharingScreenEvent.IS_SCREENSHARING" (screenshare is sharing screen event)
- TAG: MethodInvoker
- GENERATOR: WebRTCDeskshareManager
- METHOD: handleIsSharingScreenEvent
- FILE: WebRTCDeskshareEventMap
- 1 ARGUMENT SUPPLIED: [Event type="screenshare is sharing screen event" bubbles=true cancelable=false eventPhase=2]
- STACK TRACE: ArgumentError: Error #1063: Argument count mismatch on org.bigbluebutton.modules.screenshare.managers::WebRTCDeskshareManager/handleIsSharingScreenEvent(). Expected 0, got 1.
	at Function/http://adobe.com/AS3/2006/builtin::apply()
	at com.asfusion.mate.core::MethodCaller/call()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/core/MethodCaller.as:90]
	at com.asfusion.mate.actions.builders::MethodInvoker/run()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/actions/builders/MethodInvoker.as:113]
	at com.asfusion.mate.actions::AbstractAction/trigger()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/actions/AbstractAction.as:61]
	at com.asfusion.mate.actionLists::AbstractHandlers/runSequence()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/actionLists/AbstractHandlers.as:331]
	at com.asfusion.mate.actionLists::EventHandlers/fireEvent()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/actionLists/EventHandlers.as:257]
	at flash.events::EventDispatcher/dispatchEventFunction()
	at flash.events::EventDispatcher/dispatchEvent()
	at mx.core::UIComponent/dispatchEvent()[/Users/aharui/release4.13.0/frameworks/projects/framework/src/mx/core/UIComponent.as:13682]
	at com.asfusion.mate.core::GlobalDispatcher/dispatchEvent()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/core/GlobalDispatcher.as:110]
	at com.asfusion.mate.events::Dispatcher/dispatchEvent()[/Users/nahuel/Documents/Flex Builder 3/MateDevelopment/src/com/asfusion/mate/events/Dispatcher.as:240]
	at org.bigbluebutton.modules.screenshare.services::MessageReceiver/handleIsSharingScreenRequestResponse()[/tmp/bbb-client_2.0.0_xenial_m02/src/org/bigbluebutton/modules/screenshare/services/MessageReceiver.as:146]
	at org.bigbluebutton.modules.screenshare.services::MessageReceiver/onMessage()[/tmp/bbb-client_2.0.0_xenial_m02/src/org/bigbluebutton/modules/screenshare/services/MessageReceiver.as:52]
	at org.bigbluebutton.modules.screenshare.services.red5::Connection/notifyListeners()[/tmp/bbb-client_2.0.0_xenial_m02/src/org/bigbluebutton/modules/screenshare/services/red5/Connection.as:101]
	at org.bigbluebutton.modules.screenshare.services.red5::Connection/onMessageFromServer()[/tmp/bbb-client_2.0.0_xenial_m02/src/org/bigbluebutton/modules/screenshare/services/red5/Connection.as:110]
---------------------------------------------------------

---------------------------------------------------------
MATE Error: Invalid number of arguments, turn on the debugger for more information
EventType:screenshare is sharing screen event. Error was found in a EventHandlers list in file WebRTCDeskshareEventMap
---------------------------------------------------------

Merge branch '2x-client-theme' of https://github.com/riadvice/bigbluebutton into riadvice-2x-client-theme

Use a custom label that inherits from spark Label and use TLF instead of FTE and to make it multiline and add a tab enabled feature to it.

 - add responsiveness timer to hopefully allow us to detect that a cl…

Merge branch 'shared-notes-extras' of https://github.com/pedrobmarin/bigbluebutton into pedrobmarin-shared-notes-extras

   for some time.

Fix exception thrown when webrtc echo test fails on initialize

Merge branch 'improve-client-annotation-edit' of https://github.com/capilkey/bigbluebutton into capilkey-improve-client-annotation-edit