Updated signin.html
Updated signin.html

Major changes on this one,
[] Overwritten previous home page entirely. This is our new home page that displays a convenient way to jump directly to where the user wants to go. Later certain buttons will be disabled to the user depending on their privilege status.
[] Navigation bar at the top will remain constant throughout all other pages.
[] Uses materializecss
RobertoWhitmerto/OhioUniversityWXCPerformanceProgram,RobertoWhitmerto/OhioUniversityWXCPerformanceProgram,RobertoWhitmerto/OhioUniversityWXCPerformanceProgram