http://drupal.org/node/1066762/revisions/view/1363182/1365204

Log:
1. as of 2011-02-22, msysgit Git-1.7.4-preview20110204.exe use /u instead of /c/Doc...
2. change of location "Add a public key"
3. After 28 Feb 2011, Git migration, the location of "Add a public key" changes again