Makefile cleanups for consistency between packages.

Placed libsysrepo in Libraries instead of Utilities.

Removed InstallDev as it is implied by CMAKE_INSTALL.

Added .patch at the end of patch files.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

- Add PKG_LICENSE_FILES
- Refresh patches
- Use better URL

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

Signed-off-by: Mislav Novakovic <mislav.novakovic@sartura.hr>

Signed-off-by: Antonio Paunovic <antonio.paunovic@sartura.hr>