Update Figure 1

[cmiller8]

For final touches the co-authors have asked to:

• Change squared feet to Square Foot
• Capitalize Timezone
• Change the color of the bottom two graphics to match the top four

[PatrickFu0302]

Done.
https://github.com/buds-lab/ashrae-great-energy-predictor-3-overview-analysis/blob/master/KernelNotebook/graph/meta_summary(Fig1).pdf