Set version of nemo-fileroller to 1.8.0.
Remove autogenerated files from git repository.
Use xz for the source tarball.
Remove unused dependencies python and rst2man.
Rename configure.in to configure.ac.
Use correct GPL 2 header and remove wrong LGPL references.
Use GPL 2 instead of GPL 3 in COPYING file, because GPL v2 or later is supported.
Merge pull request #21 from bdrung/master

Improve nemo-fileroller