.bashrc: use firefox as my default browser
.sawfishrc: full screen shot
bin/android-make: fix build script
bin/blog: reuse
bin/git-remote-url: code reuse
bin/git-rewrite-msgs: allow to rewrite all msgs
bin/mm: fix build script for make 4.0
bin/repo-remote: check for the tracking remote
etc/dir-locals/android/.dir-locals.el: add some includes

Signed-off-by: Bao Haojun <baohaojun@gmail.com>