[ALOY-858] Alloy: Theme i18n and platform folders
[ALOY-858] cli hook to manage temp platform folder
[ALOY-858] Account for i18n merging priorities and temp folders cleanup
[ALOY-858] copy original folder to build dir instead of renaming
[ALOY-858] use path and wrench
Merge pull request #459 from feons/ALOY-858

[ALOY-858] Alloy: Theme i18n and platform folders