update changelog

1.2.4 changelog

filter out nulls from all yaml files including setting presets

update changelog for 1.2.2

look for setting preset files in multiple places

1.1.0 changelog

1.0.1 changelog

xcode 9 base settings

Merge pull request yonaskolb#45 from yonaskolb/project_attributes

Project attributes

0.6.0 changelog