What's Changed
* Index, installation and guides docs modified by PennyHow in https://github.com/GEUS-Glaciology-and-Climate/pypromice/pull/140
* extrapolate gps_alt from entire record if needed by BaptisteVandecrux in https://github.com/GEUS-Glaciology-and-Climate/pypromice/pull/141
* pypi build for JOSS review by PennyHow in https://github.com/GEUS-Glaciology-and-Climate/pypromice/pull/143
* Release patch by PennyHow in https://github.com/GEUS-Glaciology-and-Climate/pypromice/pull/144
**Full Changelog**: https://github.com/GEUS-Glaciology-and-Climate/pypromice/compare/v1.1.1...v1.2.0