Added various ~/.config/ dotfiles.

Updated .gitignore
Modified .gtkrc.mine
Added various ~/.config/ dotfiles:
  * autostart
  * fcitx
  * fontconfig
  * geany
  * gtk-3.0
  * htop
  * mc
  * parcellite
  * vlc
  * xfce4
  * user-dirs.dirs, user-dirs.locale