Notes:

Some config changes are done in patched packages:
- wpa_supplicant
- vim

Changes:

/etc/rc.d/rc.M:
- Added entry for dhcpcd
- Added entry for psd

/etc/rc.d/rc.S:
- Removed useless sleep before mounting local filesystems
- Create /run/user

/etc/rc.d/rc.6:
- Added saving alsa sound state if /etc/rc.d/rc.alsa is executable
- Added entry for psd

/etc/rc.d/rc.dhcpcd:
- Just run dhcpcd on boot

/etc/rc.d/rc.alsa:
- Just added a newline at the end to differentiate from the original and set the permissions to 755

/etc/profile:
- Added sbin paths to the PATH for all users

/etc/profile.d/xdg-runtime-dir.sh:
- Create/Set XDG_RUNTIME_DIR properly

/etc/sysctl.d/swappiness.conf:
- Set vm.swappiness to 0

/etc/dhcpcd.conf:
- Removed nohook for wpa_supplicant, to run it on every wireless interface

/etc/ntp.conf:
- Uncommented all default NTP servers.

/etc/slackpkg/blacklist:
- A list of the packages I usually remove from the base install. It's not replaced on install and completely optional

/etc/X11/xinit/xinitrc.i3:
- Added xinitrc file for the i3 window system