WORK IN PROGRESS: Developing Shiny front-end. Created UI and Server UI files. GDP trend and Residuals chart can be manipulated independently.
TODO: Need to rearrange so that Residual chart and attached slider are shown on same screen. May not be the case depending on screen size.
Merge branch 'master' of https://github.com/wkarmistead/RRayDailoModel

Conflicts:
	server.R