FORGE-1556 Create history, export and alias files in Forge Home.

Aesh is now configured to create the files under the Forge home
directory: ~/.forge/
FORGE-1557: Removed version from @AddonDependency
Moving project creation to a temp dir
Refactored the logic into the ShellImpl class
Merge pull request #370 from VineetReynolds/FORGE-1556

FORGE-1556 Create history, export and alias files in Forge Home.