Git 1.6.6.3

1. 2beba6b Merge branch 'jk/maint-1.6.0-trace-argv' by Junio C Hamano · 17 years ago
2. 27d5438 fix GIT_TRACE segfault with shell-quoted aliases by Jeff King · 17 years ago
3. 4b25d09 Fix a bunch of pointer declarations (codestyle) by Felipe Contreras · 17 years ago
4. 0989fe9 Move split_cmdline() to alias.c by Miklos Vajna · 17 years ago
5. ef90d6d Provide git_config with a callback-data parameter by Johannes Schindelin · 18 years ago
6. 9435111 make alias lookup a public, procedural function by Jeff King · 18 years ago