[Calphad 2021] Update ESPEI agenda

[bocklund]

[bocklund]

WIP agenda:

Time (EST)	Agenda
10:00 am	Presentation: introduction to ESPEI
10:15 am	Presentation: Parameter generation
10:30 am	Hands on: Parameter generation
11:15 am	Break
11:30 am	Presentation: MCMC and UQ
11:45 pm	Hands on: MCMC and UQ
12:30 pm	Hands on: Uncertainty Propagation
12:50 pm	Closing