To read more Git and Repo please see http://source.android.com/source/git-repo.html
If you would like to build your own copy of the Droid Concepts ROM then use the following command to initiate your repo:
repo init -u git://github.com/DroidConcepts/android_manifest.git -b ics
When that finishes:
repo sync
For more info you can ask for help in any of the following locations:
http://www.droidforums.net/forum/droid-concepts/ http://www.mydroidworld.com/forums/woodyman/ http://www.forum.droidconcepts.com/
You may also email one of the members of the Droid Concepts team using the contact info found here:
http://www.droidconcepts.com/the-team