Make get_built_files() take the buildtype instead of the pactype

It is possible that two different build types use the same package type.
Therefore we need to make get_built_files() work on the build type.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
Add support for livebuild buildtype

This commit allows for 'osc build' to do local builds of type livebuild.
Debian livebuild is the native Debian live image building system.

Signed-off-by: Jan Blunck <jblunck@infradead.org>
- give a better hint to the user, when a search role is not defined
- do_buildinfo: fixed "osc buildinfo -p <path>"
Merge branch 'livebuild' of https://github.com/jblunck/osc