When the user has installed the bb-cli tool it will download the latest versions of templates.
Installing the bb-cli tool, normally, requires to have an internet connection so we use it.
Each time the user ask to generate a new item it will check if there is a new version available.
It there is a new version available it will ask the user if he/she wants to download it and replace the old one or if he/she wants to keep the old version.
In all the cases if there is no internet connection available it will generate the item from the latest template stored locally.
This pull-request adds some features to the tool: