Hum.... goes a bit further, but fails with no logs :
***INFO*** Installing git addon [0/4] ...
***INFO*** Installing git addon:Cloning repository in /var/folders/ds/w5m7dxx91t98p0s19sjcv6_00000gn/T/1396709490955-0 [0/4] ...
***INFO*** Installing git addon:Installing project into local repository [1/4] ...
***INFO*** Installing git addon:Removing previous addon installation (org.jboss.forge.addon:as-parent,2.0.0-SNAPSHOT) [2/4] ...
***INFO*** Installing git addon:Installing addon (org.jboss.forge.addon:as-parent,2.0.0-SNAPSHOT) [3/4] ...
***ERROR*** Addon org.jboss.forge.addon:as-parent:::2.0.0-SNAPSHOT could not be installed.