Add instruction for installation 

Minor formatting issues.
Fix link to dbuscontrol.sh in README.md
Merge pull request #200 from stiebitzhofer/master

Fixing issues in README.md
Makefile: fix compilation on current Raspbian Wheezy (include proper dbus directory)

See http://www.raspberrypi.org/forums/viewtopic.php?f=28&t=59548 for issue
Makefile: install COPYING and README into own directory

Previously the COPYING file ended up in /usr/share/doc/COPYING, same as the README file.
Obviously, this was wrong.
prepare-native-raspbian.sh: provide uninstall target in Makefile
Merge pull request #201 from msmuenchen/master

Fix some Makefile issues