Visual Studio Macro: Modify Text Editor Font Size

Increasing or decreasing the font size of your code in Visual Studio's text editor is almost required whenever VS is fired up on a projector. Anyone who has had to demo code, or give a talk at a user group, or present new technologies to their team has experienced the pain of increasing the font size through the Tools -> Options menu. Using Visual Studio Macros that increase/decrease the font size, this pain can be overcome.