FIX Deprecation fixes

Fixing deprecation issues between 2.4 and 3.0
Merge branch '3.0' of https://github.com/BetterBrief/silverstripe-installer into 3.0
FIX Deprecation fixes

Fixing deprecation issues between 2.4 and 3.0
temp
Merge branch '3.0' of ssh://github.com/BetterBrief/silverstripe-installer into 3.0
Merge branch '3.0' of ssh://github.com/BetterBrief/silverstripe-installer into 3.0
temo