[configs/alter] November update

* Add packages:
  * compton: good X11 compositor
  * hardening-wrapper: scripts for building hardened executables
  * picocom: _pico_ serial communication program
  * whowatch: watch who is doing what in real-time
  * profanity: irssi-like xmpp(jabber) client
  * xbindkeys: run command when a specificed key is pressed
  * xbrightness: control X11 display brightness
  * ee: easyedit, a text editor
  * lldpd: 802.1ab implementation (LLDP)
  * zip: create zip files
  * zsync: a file transfer program that uses the rsync algorithm
  * dnstracer: trace the DNS request
  * imagemagic: The swiss army knife for image manipulation
  * sox: sound processing swiss army knife
  * hping
* Remove packages:
  * pax-utils
  * gpick - gcolor2 is enough for similar needs
  * minicom - don't know how to use, takes up more space than picocom
  * optipng - zopflipng provides a better compression ratio
  * sxiv,feh - gpicview provides same functionality
  * xfce4-terminal - vte is buggy, try to run: "printf '\x1bP'"(unstuck with printf '\x1b\') http://invisible-island.net/xterm/xterm.faq.html#bug_gnometerm
* Replace packages:
  * vim -> gvim - for GTK+ gui
  * syslog-ng -> rsyslog - for rsyslog's templates - to specify the format that a user want
* Other minor update:
  * vim,tmux,mc,zsh configuration
  * archiso_sys.cfg: don't pass the serial connection speed to kernel cmdline
  * autologin: pass --keep-baud to agetty
  * pacman.conf: change the URL of [archlinuxcn] - use a mirror
[configs/alter] December update

* Remove package:
  * deadbeef-mpris-plugin - doesn't work fine any more
  * screen - ship a setuid binary by default
* Add package:
  * mosh
  * indent - formatting C code
  * splint - enhanced lint: check the code mistakes in C code
  * some legacy xorg apps like twm and so on
  * rdesktop - client for Windows Remote Desktop Services
  * sslstrip - hijack HTTPS connections during MITM attack
  * rar - create RAR archives
* Update the Offline installation guide
* zshrc: remove memsizestat(), as the new procps-ng(3.3.10-1) provides 'free' command could display the 'available' column now