use https everywhere (#6574)

* use https everywhere

* use https links on the files that are left

Also, removed some broken links and updated redirections.

themes/xiong-chiamiov.zsh-theme

 # user, host, full path, and time/date
 # on two lines for easier vgrepping
-# entry in a nice long thread on the Arch Linux forums: http://bbs.archlinux.org/viewtopic.php?pid=521888#p521888
+# entry in a nice long thread on the Arch Linux forums: https://bbs.archlinux.org/viewtopic.php?pid=521888#p521888
 PROMPT=$'%{\e[0;34m%}%B┌─[%b%{\e[0m%}%{\e[1;32m%}%n%{\e[1;30m%}@%{\e[0m%}%{\e[0;36m%}%m%{\e[0;34m%}%B]%b%{\e[0m%} - %b%{\e[0;34m%}%B[%b%{\e[1;37m%}%~%{\e[0;34m%}%B]%b%{\e[0m%} - %{\e[0;34m%}%B[%b%{\e[0;33m%}'%D{"%a %b %d, %H:%M"}%b$'%{\e[0;34m%}%B]%b%{\e[0m%}
 %{\e[0;34m%}%B└─%B[%{\e[1;35m%}$%{\e[0;34m%}%B]>%{\e[0m%}%b '
 PS2=$' \e[0;34m%}%B>%{\e[0m%}%b '

tools/theme_chooser.sh

@@ -5,7 +5,7 @@
 # the extent permitted by applicable law. You can redistribute it
 # and/or modify it under the terms of the Do What The Fuck You Want
 # To Public License, Version 2, as published by Sam Hocevar. See
-# http://sam.zoy.org/wtfpl/COPYING for more details.
+# http://www.wtfpl.net/txt/copying/ for more details.
 
 THEMES_DIR="$ZSH/themes"
 FAVLIST="${HOME}/.zsh_favlist"