[maven-release-plugin] prepare release canvasapi-1.0.4
[maven-release-plugin] prepare release canvasapi-1.0.4

instructure/CanvasAPI,Blackchai/CanvasAPI,nbutton23/CanvasAPI,amozoss/CanvasAPI,matthewrice345/CanvasAPI,bradylarson/CanvasAPI,hhoang/CanvasAPI