If you want to change your password for the all ROMS resources, including CSTM wiki and svn repository, log in to the ROMS website:

http://www.myroms.org/index.php?page=login

Once logged in click the link on the left titled "Change Passord". This will change your password for the ROMS website, the ROMS/TOMS Forum, WikiROMS and all svn repositories and trac projects at myroms.org.