Move plasma5 packages to kde-plasma

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
Update deps after move!

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
Update mask files

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
Fix some br0ken deps

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>
Fix manifest after move

Signed-off-by: Alexey Shvetsov <alexxy@gentoo.org>