Merge pull request #4 from juw/changes

Changes
updated debian/watch
Merge pull request #5 from juw/changes

Merging juw/changes
Merge branch 'master' of github.com:ghostbar/powertop.deb
Imported Upstream version 2.6
Merge tag 'upstream/2.6'

Upstream version 2.6
Package new upstream release.
Update debian/copyright
Release Debian package version 2.6-1