Install: Partial revert of 780cde2, restore data()

Restore InstallShell::data() which was removed incorrectly during
CLI install merge.
Install: Utility to grant default permission

This utility is intended for use during development/release when
generating/updating setup data files.
Install: update AcoData and ArosAcoData files
Install: update acos, aros_acos in mysqldump file
Merge branch '1.5-install-data' into 1.5

Closes #347