Merge pull request #3475 from oswaldoacauan/refactor-api-shapes

...l5/imports/api/meetings/server/modifiers/clearMeetings.js

...l5/imports/api/meetings/server/modifiers/removeMeeting.js

...uebutton-html5/imports/api/shapes/server/eventHandlers.js

...5/imports/api/shapes/server/handlers/whiteboardCleared.js

.../imports/api/shapes/server/handlers/whiteboardGetReply.js

...tml5/imports/api/shapes/server/handlers/whiteboardSend.js

...tml5/imports/api/shapes/server/handlers/whiteboardUndo.js

bigbluebutton-html5/imports/api/shapes/server/index.js

bigbluebutton-html5/imports/api/shapes/server/methods.js

...ton-html5/imports/api/shapes/server/modifiers/addShape.js

...ports/api/shapes/server/modifiers/addShapeToCollection.js

...-html5/imports/api/shapes/server/modifiers/clearShapes.js

...orts/api/shapes/server/modifiers/clearShapesCollection.js

...orts/api/shapes/server/modifiers/clearShapesWhiteboard.js

...tml5/imports/api/shapes/server/modifiers/eventHandlers.js

...s/api/shapes/server/modifiers/removeAllShapesFromSlide.js

...-html5/imports/api/shapes/server/modifiers/removeShape.js

...ports/api/shapes/server/modifiers/removeShapeFromSlide.js

...luebutton-html5/imports/api/shapes/server/publications.js

bigbluebutton-html5/imports/api/shapes/server/publishers.js