* No using custom chromium.desktop any more
* Spacing
* Rely on $OMARCHY_PATH
* Add common pkg and cmd functions for use in migrations and elsewhere
* Simple pkg-adds
* Later migration does it
* Ensure running migrations on older installs have the new pkg/cmds available
* Spacing
* Use new abstractions
* Installed in later migration
* Needless comment
* Use new commands
* Fix package name from 'batt' to 'bat'
