Merge libblockdev-swap into libblockdev-fs and make parted an optional dependency
Merge libblockdev-swap into libblockdev-fs
Swap is almost like a file system.
libblockdev-fs: make parted an optional dependency
parted is only needed for /usr/bin/vfat-resize and nothing else. Since file system usespace tools (e.g. dosfstools) are optdepends, then it makes sense to make parted an optdepend too.