Lintian warnings: add debian watch files.
Lintian warnings: remove duplicated information in debian.control.
jobid.api-cpp Debian package platform independent.
chrpath not needed anymore (after fix in Makefiles - using '-rpath' only for libraries).
DM-Upload-Allowed not used anymore.
Lintian warnings: more chatty descriptions in subpackages.
Lintian warnings: properly escape minus-signs (or remove white-spaces before minus-signs) in man-pages.
Lintian warnings: known typos in the binaries.
Simplify Debian packaging (using dh 7), enable hardening build flags for daemons.