Add timezone clause to date field in FatMaxxer features.csv

[IanPeake]

Describe the bug A clear and concise description of what the bug is.

FatMaxxer version number or name

• The version name can be found under App Info while the app is running

Phone Manufacturer, Model and Android Version

• Manufacturer
• Model
• Version [e.g. 22]

[IanPeake]

...for possible compatibility with Runalyzer