added .hgrc

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
README.md: Add git ppa info

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>
.gitconfig: aliases at a better place

Until now I've put my git aliases into bash, because I started to use them when
I didn't know that git has a feature for that. It's time to use it now, though.

Signed-off-by: Erik Bernoth <erik.bernoth@gmail.com>