1. Do not install "recommended" packages
2. Do not keep apt indices in the binary image
3. Clean up firmware packages that are installed by metapackages but are not required for
for network or storage hardware.
4. Revert vim to vim-tiny
* packages/vyos-kernel efe6504...0a84c7e (18):
> Merge tag 'v4.4.95' into current
> add virtio scsi to kernel as loadable module
> remove Automatically generated lines
> Enable intel QuickAssist Technology modules
> dccp: fix freeing skb too early for IPV6_RECVPKTINFO
> virtio_net: validate ethtool port setting and explain the user validation
> ethtool: make validate_speed accept all speeds between 0 and INT_MAX
> virtio_net: add ethtool support for set and get of settings
> ethtool: add speed/duplex validation functions
> add vyos x86_64 defconfig
> Merge tag 'v4.4.47' into current
Since we only support jessie as build host, and jessie knowingly does have
python3 (although not by default), we don't really need to worry about being
both 2 and 3 compatible.
