Include (empty) apps.tempicons directory (#896)

In the future we could create it (and populate) in firstboot, but for
now provide at least empty directory.
fedora: include linux-firmware package

Required for most WiFi cards.
version 2.1.8
Prepare mountpoint before calling any dist-specific script

For example debian's 00_prepare.sh want to use it.
VERBOSE and DEBUG will default to defaults if not called by Makefile
Sync to disk before un-mounting
debian: Modifications due to new postinit scripts, etc in core-agent-linux module
debian: Whonix modifications due to new postinit in core-agent-linux module
debian: Enable Whonix systemd services
debian: Added time sync packages
Merge remote-tracking branch 'nrgaway/wheezy' into wheezy
archlinux: use most recent installation ISO
debian: Modified template install script to read better
debian: Whonix systemd overrides
xenstore-read name was missing from create_template_list.sh
Made sure color chroot function returned shell exit status and not trigger error within that function
debian: renamed key files to match same format as those in qubes-builder
Added verbose indication telmplate files was downloading from AppVM
debian: Removed keyfiles using old name
whonix: Changes to allow secure update