Updated the ezpublish version, from 2013.06 to 2013.07 Community Project
Added the requirement of the virtualhosts, before installing eZ Publish
Moved the requirement of the virtualhosts, before starting apache
Updated the readme.md file to reflect the recent changes
Merge pull request #2 from pedroresende/ezp2013.7

Updated the ezpublish version, from 2013.06 to 2013.07 Community Project