These are resources for developers of QuickFIX/J, not the developers who use the tool.
Source Code
Source code is available from the SourceForge Subversion repository. Information on accessing the repository can be found here. You can also browse the Subversion repository.
As the SourceForge Subversion documentation states, you'll generally want to checkout the trunk rather than the root of the repository.
svn co https://svn.sourceforge.net/svnroot/quickfixj/trunk quickfixj
CruiseControl
Cruise control information is here.
Could not access the content at the URL because it is not from an allowed source.
http://cruise.quickfixj.org/cruisecontrol/rss/quickfixj
You may contact your site administrator and request that this URL be added to the list of allowed sources.