GitHub for Unity 1.3.0 - "Fire Flower"

This release adds a new File History View developed by Sam Christiansen from Bonfire Studios.

This release also fixes packaging issues for OSX in release v1.2.1.

Features

#948 History of a single file (thanks @sambonfire)
#989 Making the standalone api nicer to use

Fixes

#952 Discard doesn't work properly in some cases
#998 Adding several YAML extensions to default gitattributes file (thanks @FurkanKambay)
#1001 Fix asmdef files causing errors on Unity 2018.3 (thanks @sambonfire)
#1008 Refresh asset database after revert (thanks @sambonfire)
#1014 Adding .tif extensions to default gitattributes file (thanks @terokorp)
#1026 Fixing packaging errors